BIO 139 ANATOMY AND PHYSIOLOGY II
|
|
- Christian Benson
- 5 years ago
- Views:
Transcription
1 BIO 139 ANATOMY AND PHYSIOLOGY II THE DIGESTIVE SYSTEM LAB ANALOGY PAGES MARY CATHERINE FLATH, Ph.D. DIGESTIVE ORGANS ALIMENTARY CANAL MOUTH PHARYNX ESOPHAGUS STOMACH SMALL INTESTINE LARGE INTESTINE ACCESSORY ORGANS SALIVARY GLANDS PANCREAS LIVER GALLBLADDER THE DIGESTIVE SYSTEM FUNCTION BREAKDOWN FOOD INTO SUBSTANCES THAT CAN BE ABSORBED (FOR CELLULAR RESPRIATION = ENERGY) ALIMENTARY CANAL FROM MOUTH TO ANUS CHARACTERISTIC WALL STRUCTURE SPHINCTER MUSCLES BETWEEN ORGANS MOVEMENT OF FOOD BY PERISTALSIS 1
2 ALIMENTARY WALL STRUCTURE MUCOSA SUBMUCOSA MUSCULARIS SEROSA SPHINCTER MUSCLES PREVENT REGURGITATION OF FOOD GASTROESOPHAGEAL SPHINCTER PYLORIC SPHINCTER ILEOCECAL VALVE ANAL SPHINCTERS INTERNAL EXTERNAL MOVEMENTS THROUGH THE ALIMENTARY CANAL MIXING PERISTALSIS 2
3 ORGANS OF THE ALIMENTARY CANAL THE MOUTH SITE OF MECHANICAL DIGESTION; THE FIRST SITE OF CARBOHYDRATE DIGESTON: SALIVARY AMYLASE SALIVARY GLANDS SECRETE SALIVA, A WATERY FLUID CONTAINING SALIVARY AMYLASE INTO FOOD IN MOUTH; SALIVARY AMYLASE CHEMICALLY BREAKS POLYSACCHARIDES (GLYCOGEN AND STARCH) INTO DISACCHARIDES 3
4 DEGLUTITION THE PHARYNX The throat: Common passageway for food (digestive system) and air (respiratory system) THE ESOPHAGUS CARRIES THE SWALLOWED BOLUS OF FOOD TO THE STOMACH THROUGH PERISTALSIS Take a few minutes and perform the deglutition exercise SEPARATE HANDOUT THE STOMACH THE FIRST SITE OF CHEMICAL DIGESTION OF PROTEINS THROUGH THE ENZYME PEPSIN, WHICH BREAKS PROTEINS INTO PEPTIDES. 4
5 SEM of Gastric Pit with gastric glands secreting pepsin and HCl * THE PANCREAS SECRETES PANCREATIC JUICE CONTAINING AMYLASE, PROTEINASES, LIPASES, AND NUCLEASES INTO DUODENUM; THESE ENZYMES BREAK DOWN EACH OF THE MACROMOLECULES WE INGEST 5
6 Take a look at the pancreas Slide: The portions other than the Islets are digestive. D U O D E N U M PANCREAS THE LIVER PRODUCES BILE WHICH EMULSIFIES FATS IN THE DUODENUM BILE EMULSIFIES FAT INCREASES ITS SURFACE AREA FOR MORE EFFECTIVE DIGESTION BY LIPASES 6
7 Liver Histology: Hepatic Lobule = take a look at the liver slide THE GALLBLADDER STORES BILE (PRODUCED IN LIVER) BETWEEN MEALS; BILE IS DEPOSITED BILE INTO THE DUODENUM 7
8 THE SMALL INTESTINE SITE OF COMPLETION OF DIGESTION (DUODENUM; LACTASE, SUCRASE, MALTASE, DUODENAL PEPTIDASES; LIPASES) SITE OF ABSORPTION OF SIMPLE NUTRIENTS (JEJUNUM & ILEUM) THE SMALL INTESTINE IS SUSPENDED IN THE ABDOMINAL CAVITY BY MESENTERY 8
9 INTESTINAL MUCOSA LINING IS SIMPLE COLUMNAR EPITHELIUM WITH GOBLET CELLS AND MICROVILLI INTESTINAL VILLI ARE LINED BY INTESTINAL GLANDS INTESTINAL VILLI HAVE A LACTEAL IN THEIR CORE LM OF INTESTINAL VILLI ULTRASTRUCTURE OF SMALL INTESTINE 9
10 A LACTEAL Intestinal Wall Model: Note Lacteals SIMPLE COLUMNAR ET: DUODENUM~LOW POWER~ LAB LIGHT MICROGRAPHS OF THE SMALL INTESTINE OBTAIN SIMPLE COLUMNAR ET OR DUODENUM SLIDE INTESTINAL VILLI SIMPLE COLUMNAR ET: DUODENUM~HIGH POWER~ SIMPLE COLUMNAR ET: DUODENUM ~OIL IMMERSION~ SIMPLE COLUMNAR ET GOBLET CELLS IN SIMPLE COLUMNAR ET 10
11 THE LARGE INTESTINE SITE OF REABSORPTION OF WATER FROM CHYME LM OF LARGE INTESTINE 11
12 The Large Intestine Digestive Fetal Pig Dissection Mouth Cavity tongue, teeth, hard palate, soft palate, pharynx, epiglottis, probe into glottis larynx/trachea, and probe into pharynx esophagus Thoracic Cavity - esophagus Abdominopelvic Cavity liver, gallbladder, stomach with rugae & pyloric sphincter, spleen, pancreas, small intestine with mesentery, spiral colon/large intestine, cecum, rectum, anus ***** Thyroid gland Larynx Trachea Thymus gland Heart Liver Small Intestine Urinary (allantoic) Bladder Lungs Diaphragm Spleen Large Intestine - (Spiral Colon) Umbilical Arteries 12
13 External Nares Hard Palate Soft Palate Opening into Nasopharynx Epiglottis Tongue PRACTICE LAB DIGESTIVE QUIZ 13
14 SIMPLE COLUMNAR ET: DUODENUM~HIGH POWER~ SIMPLE COLUMNAR ET 14
15 NAME THE SCIENTIFIC TERM FOR SWALLOWING DEGLUTITION 15
16 A LACTEAL Name the structure. Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Green Lacteals 16
17 D U O D E N U M PANCREAS Take a look at the pancreas slide 17
18 pancreas ***** 18
19 Name the organ. Green: Gallbladder; White: Stomach; Red: Spleen Name the organ White: pancreas Name the organ or structure. 19
20 Yellow: Right Lung; Black: Diaphragm; Green: Liver. Name the structure(s) Rectum down back wall; Female with Ovaries and Uterine Horns Name the organ. Green: Liver; Red: Small Intestines with Mesenteries Name the organ. 20
21 Rectum. ***** 21
22 Good luck studying 22
BIO 139 ANATOMY AND PHYSIOLOGY II. THE DIGESTIVE SYSTEM LAB ANALOGY PAGES MARY CATHERINE FLATH, Ph.D.
BIO 139 ANATOMY AND PHYSIOLOGY II THE DIGESTIVE SYSTEM LAB ANALOGY PAGES 248-265 MARY CATHERINE FLATH, Ph.D. DIGESTIVE ORGANS ALIMENTARY CANAL MOUTH PHARYNX ESOPHAGUS STOMACH SMALL INTESTINE LARGE INTESTINE
More informationBIO 139 ANATOMY AND PHYSIOLOGY II THE DIGESTIVE SYSTEM
BIO 139 ANATOMY AND PHYSIOLOGY II THE DIGESTIVE SYSTEM MARY CATHERINE FLATH, Ph.D. DIGESTIVE SYSTEM ORGANS MOUTH PHARYNX ESOPHAGUS STOMACH SMALL INTESTINE LARGE INTESTINE SALIVARY GLANDS PANCREAS LIVER
More informationThe Digestive System
The Digestive System Identify the Structure and Function. Mesentery of the Large Intestine The mesentery functions to connect the visceral organs to the abdominal wall. Identify the Structure. Nasal Cavity
More informationDIGESTIVE SYSTEM ALIMENTARY CANAL / GI TRACT & ACCESSORY ORGANS. Mar 16 10:34 PM
DIGESTIVE SYSTEM ALIMENTARY CANAL / GI TRACT & ACCESSORY ORGANS Mar 16 10:34 PM 1 I. Digestive System Functions > Ingestion the taking in of food > Propulsion movement caused by force > Digestion breakdown
More informationDigestive System. Unit 6.11 (6 th Edition) Chapter 7.11 (7 th Edition)
Digestive System Unit 6.11 (6 th Edition) Chapter 7.11 (7 th Edition) 1 Learning Objectives Identify the major organs of the digestive system. Explain the locations and functions of three organs in the
More information- Digestion occurs during periods of low activity - Produces more energy than it uses. - Mucosa
Introduction Digestive System Chapter 29 Provides processes to break down molecules into a state easily used by cells - A disassembly line: Starts at the mouth and ends at the anus Digestive functions
More informationThe Digestive System. Chapter 25
The Digestive System Chapter 25 Introduction Structure of the digestive system A tube that extends from mouth to anus Accessory organs are attached Functions include Ingestion Movement Digestion Absorption
More informationEnergy, Chemical Reactions and Enzymes
Phosphorylation Hydrolysis Energy, Chemical Reactions and Enzymes Chapter 2 (selections) What is Energy? Energy is the capacity to do work Potential Energy Kinetic Energy Chemical Bond Energy Like a rechargeable
More informationLab 5 Digestion and Hormones of Digestion. 7/16/2015 MDufilho 1
Lab 5 Digestion and Hormones of Digestion 1 Figure 23.1 Alimentary canal and related accessory digestive organs. Mouth (oral cavity) Tongue* Parotid gland Sublingual gland Submandibular gland Salivary
More informationExercise. Digestive System. Digestive system function. 1. Define the following terms: a. Chemical digestionb. Mechanical digestionc.
Exercise 7 The Digestive System NAME: DATE: INSTRUCTOR: SECTION: Digestive system function 1. Define the following terms: a. Chemical digestionb. Mechanical digestionc. Ingestiond. Digestione. Absorptionf.
More information- Digestion occurs during periods of low activity - Produces more energy than it uses. 3 Copyright 2016 by Elsevier Inc. All rights reserved.
Introduction Digestive System Chapter 29 Provides processes to break down molecules into a state easily used by cells - A disassembly line: Starts at the mouth and ends at the anus Digestive functions
More informationDigestive System 7/15/2015. Outline Digestive System. Digestive System
Digestive System Biology 105 Lecture 18 Chapter 15 Outline Digestive System I. Functions II. Layers of the GI tract III. Major parts: mouth, pharynx, esophagus, stomach, small intestine, large intestine,
More informationBio 104 Digestive System
13 Lecture Outline: Digestive System Hole s HAP [Chapters 17 & 18] General Characteristics of the Alimentary Canal A. Functions 1. Ingestion 2. Mechanical digestion 3. Chemical digestion 4. Propulsion
More informationORGANS OF THE DIGESTIVE SYSTEM
ORGANS OF THE DIGESTIVE SYSTEM OBJECTIVES: 1. List and describe the major activities of the digestive system. 2. Identify and give the functions of the organs in and along the digestive tract. MAJOR ACTIVITIES
More informationThe Digestive System. Prepares food for use by all body cells.
The Digestive System Prepares food for use by all body cells. Digestion The chemical breakdown of complex biological molecules into their component parts. Lipids to fatty acids Proteins to individual amino
More informationNutrition. Autotrophs. plants, some protists & bacteria producers
Nutrition Autotrophs plants, some protists & bacteria producers Nutrition Heterotrophs animals, fungi, some protists & bacteria consumers Animal Nutrition Most obtain food by ingestion take in their food
More informationThe Digestive System
The Digestive System s Big Book of Handouts Digestion and nutrition Specific Learning outcomes B11-2-01: Identify major structures and functions of the human digestive system from a diagram, model, or
More informationDigestive System. What happens to the donut you ate for breakfast this morning?
Digestive System What happens to the donut you ate for breakfast this morning? Free Tutoring and Extra Credit!!! Digestive System: Is the basic process of breaking down the food you eat into individual
More informationThe Digestive System. Chapter 16. Introduction. Overview of Digestive System. Histological Organization. Movement and Mixing of Digestive Materials
The Digestive System Chapter 16 Introduction Structure of the digestive system A tube that extends from mouth to anus Accessory organs are attached Functions include Ingestion Movement Digestion Absorption
More informationChapter 9: Digestion Review Assignment
_ Date: Mark: /45 Chapter 9: Digestion Review Assignment 45 Multiple Choice = 45 Marks Identify the choice that best completes the statement or answers the question. 1. Which of the following roles do
More informationNURSE-UP DIGESTIVE SYSTEM AKA G.I. SYSTEM
NURSE-UP DIGESTIVE SYSTEM AKA G.I. SYSTEM The digestive system is used for breaking down food into nutrients which then pass into the circulatory system and are taken to where they are needed in the body.
More informationTwo main groups Alimentary canal continuous coiled hollow tube Accessory digestive organs
Digestion Breakdown of ingested food Absorption of nutrients into the blood Metabolism Production of cellular energy (ATP) Constructive and degradative cellular activities Two main groups Alimentary canal
More informationAn overview of the digestive system. mouth pharynx esophagus stomach small intestine large intestine rectum anus
An overview of the digestive system mouth pharynx esophagus stomach small intestine large intestine rectum anus Why GIT? What are the main steps in the digestive process? Ingestion intake of food via the
More informationChapter 14: The Digestive System
Chapter 14: The Digestive System Digestive system consists of Muscular tube (digestive tract) alimentary canal Accessory organs teeth, tongue, glandular organs 6 essential activities 1. 2. 3. 4. 5. 6.
More informationBELLWORK DEFINE: PERISTALSIS CHYME RUGAE Remember the structures of the digestive system 1
BELLWORK DEFINE: PERISTALSIS CHYME RUGAE 2.07 Remember the structures of the digestive system 1 STANDARD 8) Outline basic concepts of normal structure and function of all body systems, and explain how
More informationTHE DIGESTIVE SYSTEM
THE DIGESTIVE SYSTEM TYPES OF DIGESTIVE SYSTEMS Ingested food may be stored or first subjected to physical fragmentation Chemical digestion occurs next Hydrolysis reactions liberate the subunit molecules
More informationDIGESTIVE SYSTEM CLASS NOTES. tube along with several
DIGESTIVE SYSTEM CLASS NOTES Digestion Breakdown of food and the of nutrients in the bloodstream. Metabolism Production of for and cellular activities. The digestive system is composed of the canal which
More informationHuman Biology. Digestive System
Human Biology Digestive System Digestion - Defined Prepares food for use by all body cells The physical and/or chemical breakdown of food Did you know: the average person eats more than 500kg of food per
More informationObjective 4- Digestion
Objective 4- Digestion 1. Describe why cells require nutrients Supply energy for metabolism (cell activities), matter for synthesis of new materials, cell reproduction, secretion and to regulate cell processes
More informationChapter 21 NUTRITION AND DIGESTION
Chapter 21 NUTRITION AND DIGESTION Stages of Food Processing 1. Ingestion: The act of eating. Usually involves placing food in mouth or oral cavity. 2. Digestion: Macromolecules in food (fats, proteins,
More informationDigestive System Anatomy
Digestive System Anatomy The Process of Digestion http://www.youtube.com/watch?v=j84pqg 8nf0M Parts of the Digestive System The digestive system begins at the mouth, where food enters the body. The mouth
More informationThe Digestive System 1
The Digestive System 1 Digestion Processing of food Types Mechanical (physical) Chew Tear Grind Mash Mix Chemical Catabolic reactions Enzymatic hydrolysis Carbohydrate Protein Lipid 2 Digestion Phases
More informationIncludes mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, anus. Salivary glands, liver, gallbladder, pancreas
Chapter 14 The Digestive System and Nutrition Digestive System Brings Nutrients Into the Body The digestive system includes Gastrointestinal (GI) tract (hollow tube) Lumen: space within this tube Includes
More informationThe Digestive System and Body Metabolism
14 PART B The Digestive System and Body Metabolism PowerPoint Lecture Slide Presentation by Jerry L. Cook, Sam Houston University ESSENTIALS OF HUMAN ANATOMY & PHYSIOLOGY EIGHTH EDITION ELAINE N. MARIEB
More informationa. parotid b. sublingual c. submandibular
Bozeman Science/ Nature The Digestive System Watch the videos, and answer the questions below. Please write your answers in complete sentences, and explain all concepts thoroughly. 1. What are the four
More informationDigestive System. Digestive System. Digestion is the process of reducing food to small molecules that can be absorbed into the body.
Digestive System Digestion is the process of reducing food to small molecules that can be absorbed into the body. 2 Types of Digestion Mechanical digestion physical breakdown of food into small particles
More informationChapter 16. Lecture and Animation Outline
Chapter 16 Lecture and Animation Outline To run the animations you must be in Slideshow View. Use the buttons on the animation to play, pause, and turn audio/text on or off. Please Note: Once you have
More informationNOTES: CH 41 Animal Nutrition & Digestion
NOTES: CH 41 Animal Nutrition & Digestion NUTRITION *Nutrition is the study of nutrients and how the body utilizes them! *ESSENTIAL NUTRIENTS: nutrients that human cells cannot synthesize (i.e. certain
More informationPOGIL Activity on The Digestive System (Let s go Down the Hatch! )
POGIL Activity on The Digestive System (Let s go Down the Hatch! ) Life is organized in the following levels: Chemical Level, Cellular Level, Tissue Level, Organ Level, Organ System Level, and finally,
More informationWhat is Digestion? The break down of food into molecules that are small enough to be absorbed and used by the body
Digestive System What is Digestion? The break down of food into molecules that are small enough to be absorbed and used by the body What is Digestion? This involves: Ingestion and propulsion of food along
More informationDigestive System. Digestive Processes. The Digestive System. Digestion Mechanical & chemical breakdown of food into a form that can be used by cells
The Digestive System Digestive System Digestion Mechanical & chemical breakdown of food into a form that can be used by cells Mechanical breaks large pieces into smaller pieces Chemical breaks food into
More informationCh41 Animal Nutrition
Ch41 Animal Nutrition Digestive system Purpose = break down food into smaller nutrients to be used in the body for energy and raw materials for biosynthesis Overview of food processing Ingestion: act of
More informationHuman Digestive System
3.3.4 Human Digestive System Need to know The functions of the main parts of the alimentary canal and the associated glands Function of teeth. The human dental formula Role of mechanical digestion and
More informationBiology 12 Unit 5 Pretest
Biology Unit 5 Pretest Name: Date: Block:. Chewing aids digestion by A. stimulating release of bile B. increasing surface area of food C. breaking up polymers into monomers D. stimulating water absorption.
More information1. Three Main Functions. Chapter 19: 2. Two Groups of digestive organs. 2. Two Groups of digestive organs. 1. The Teeth 5/18/2015
1. Three Main Functions Chapter 19: General Structure and Function of the Digestive System Digestion-breakdown of food into small particles for transport to blood Absorption- into bloodstream to take to
More information10/18/2017 ANIMAL NUTRITION ANIMAL NUTRITION ESSENTIAL NUTRIENTS AN ANIMAL S DIET MUST STUPPLY: AMINO ACIDS
ANIMAL NUTRITION Food is taken in, taken apart, and taken up in the process of animal nutrition In general, animals fall into three categories: Herbivores Carnivores Omnivores ANIMAL NUTRITION Chapter
More informationDIGESTION SBI 3C: NOVEMBER 2010
DIGESTION SBI 3C: NOVEMBER 2010 DIAGRAM OF DIGESTIVE SYSTEM: Mouth Esophagus Liver Gallbladder Large Intestine Appendix Stomach Pancreas Small Intestine Rectum Anus STAGES OF DIGESTION: 1. INGESTION Taking
More information1. Three Main Functions. Chapter 19: 2. Two Groups of digestive organs. 2. Two Groups of digestive organs 6/1/2015. The Wall of the Digestive Tract
1. Three Main Functions Chapter 19: General Structure and Function of the Digestive System Digestion-breakdown of food into small particles for transport to blood Absorption- into bloodstream to take to
More informationDigestive System. In one end and out the other.
Digestive System In one end and out the other. Overview Every cell in the body needs nourishment, yet most cells cannot leave their position in the body and travel to a food source, so the food must be
More information1. Animals are heterotrophs that require food for fuel, carbon skeletons, and essential nutrients: an overview
1. Animals are heterotrophs that require food for fuel, carbon skeletons, and essential nutrients: an overview A nutritionally adequate diet satisfies three needs: fuel (chemical energy) for all the cellular
More informationTHE DIGESTIVE SYSTEM
THE DIGESTIVE SYSTEM Composed of two parts: 1. 2. There are 4 main parts of digestion: 1. Ingestion: 2. Digestion: a. Mechanical Digestion: Example: b. Chemical Digestion: Example: 3. Absorption: 4. Egestion:
More informationAll organisms must obtain and process essential nutrients (food) *** Exception: Venus Fly Traps undergo photosynthesis but needs source of nitrogen
All organisms must obtain and process essential nutrients (food) AUTOTROPHS self feeder makes their own food eg. Plants do not require a digestive tract *** Exception: Venus Fly Traps undergo photosynthesis
More information/30/17 Ch 8: Muscular System 1. Table of Contents # Date Title Page # 03/13/17 Ch 10: Somatic and Special Senses 53
Table of Contents # Date Title Page # 1. 01/30/17 Ch 8: Muscular System 1 2. 3. 4. 5. 6. 7. 02/14/17 Ch 9: Nervous System 12 03/13/17 Ch 10: Somatic and Special Senses 53 03/27/17 Ch 11: Endocrine System
More informationThe Digestive System Laboratory
The Digestive System Laboratory 1 The Digestive Tract The alimentary canal is a continuous tube stretching from the mouth to the anus. Liver Gallbladder Small intestine Anus Parotid, sublingual, and submaxillary
More informationLab 8: Digestive System
BIOL 221 A&P II Lab 8: Digestive System Become familiar with the gross anatomy of the digestive system (Exercise 38) using the models, Fig. 38.1 (Activity 1), and the rat. Recognize and know the functions
More informationBiology 20: Digestive System Did you get it? Questions and Answers
Biology 20: Digestive System Did you get it? Questions and Answers Mouth 1. What is the purpose of chewing? a. break food into smaller pieces so there is a greater SA for chemicals to work on. 2. Salivary
More information10/23/2013 ANIMAL NUTRITION ANIMAL NUTRITION ESSENTIAL NUTRIENTS AN ANIMAL S DIET MUST STUPPLY: AMINO ACIDS
ANIMAL NUTRITION Food is taken in, taken apart, and taken up in the process of animal nutrition In general, animals fall into three categories: Herbivores Carnivores Omnivores ANIMAL NUTRITION Chapter
More informationDigestive System. How your body obtains nutrients. Wednesday, March 2, 16
Digestive System How your body obtains nutrients Vocabulary Ingestion: food enters the system Physical and enzymatic breakdown begins Digestion: Further breakdown Chemical/enzymatic Vocabulary Absorption:
More informationI. The Alimentary Canal (GI track)
A. About 9 meters long B. Passes through the ventral cavity. C.Movements of the Tube 1. Mixing movements- smooth muscles contract rhythmically. 2. Propelling movements- a wavelike motion called peristalsis.
More informationNutrition and Digestion
Nutrition and Digestion Classes of Nutrients Carbohydrates Lipids Proteins Minerals Vitamins Water Macronutrients Carbon-containing compounds Energy and raw material Includes carbohydrates, lipids, & proteins
More informationDigestive System Lecture Notes Read Ch 14; review questions start on page 477 S/A # 4, 5, 7, 8, 10, 11, 12, 13, 16, 17, 19, 20, 21, 22, 26, 35
The PRINCIPLE structure of the digestive system is the Alimentary Canal (Gastrointestinal Tract) = hollow tube much like a hallway in a home. I. Functions of the Digestive System a. Ingestion: Putting
More informationChapter 26 The Digestive System
Chapter 26 The Digestive System Digestive System Gastroenterology is the study of the stomach and intestine. Digestion Catabolism Absorption Anabolism The actions of the digestive system are controlled
More informationDigestive System Processes
Unit 7 Digestive System Processes ESSENTIALS OF HUMAN ANATOMY & PHYSIOLOGY Processes of the Digestive System Ingestion- getting food into the mouth Propulsion- moving foods through the digestive system
More informationDigestion Introduction Lecture MMHS Science Chitraroff
Digestion Introduction Lecture MMHS Science Chitraroff Digestion is the process that changes food into a form that is usable by your body. The Alimentary Canal The pathway of food from your mouth to your
More informationLearning Targets. The Gastrointestinal (GI) Tract. Also known as the alimentary canal. Hollow series of organs that food passes through
Digestion the multistep process of breaking down food into molecules the body can use Learning Targets Describe the path food takes through the digestive system. Identify the major organs of the digestive
More informationACTIVITY 11: RESPIRATORY AND DIGESTIVE SYSTEMS RESPIRATORY SYSTEM
ACTIVITY 11: RESPIRATORY AND DIGESTIVE SYSTEMS OBJECTIVES: 1) How to get ready: Read Chapters 25 and 26, McKinley et al., Human Anatomy, 4e. All text references are for this textbook. 2) Identify structures
More informationDigestion Overview. I. Picture
I. Picture II. Digestion Overview Organ grouping A. Alimentary canal or gastrointestinal tract ( ) 1. continuous tube mouth to anus ( ) 2. breaks down food, nutrients and wastes 3. organs mouth, pharynx,
More informationThe Digestive System. Basic process of digestion. Mouth and Teeth 10/30/2016
The Digestive System Basic process of digestion 1. Ingestion: animal eats food. 2. Digestion: animal body breaks food down. Mechanical digestion: chewing (mastication). Chemical digestion: enzymes and
More informationconsists of: Muscular, hollow tube (= digestive tract ) + Various accessory organs
DIGESTIVE SYSTEM consists of: Muscular, hollow tube (= digestive tract ) + Various accessory organs FUNCTION Individual parts function in: ingestion mechanical digestion chemical and enzymatic digestion
More informationFull file at
An. Dif. Page(s) Multiple Choice Chapter 2 Digestion and Absorption c K 39 1. Another name for the digestive tract is the: a. urinary tract. b. exocrine system. c. gastrointestinal system. d. muscular
More informationBIO 116 Anatomy & Physiology II Practice Assignment 3 - The Lymphatic, Immune and Digestive Systems This is not a required assignment
BIO 116 Anatomy & Physiology II Practice Assignment 3 - The Lymphatic, Immune and Digestive Systems This is not a required assignment 1. Which are components of the lymphatic system? a: Thyroid gland b:
More informationChapter 8: Digestion. Structure and Functions of Digestive Organs Macronutrients Digestive Enzymes
Chapter 8: Digestion Structure and Functions of Digestive Organs Macronutrients Digestive Enzymes What organisms need Digestion? Heterotrophs - rely on ingestion of organic molecules for production of
More informationRESPIRATORY SYSTEM. described: pp. 744,746 fig. 25.1, described: p. 746 fig described: p. 776 fig. 26.3
ACTIVITY 11: RESPIRATORY AND DIGESTIVE SYSTEMS OBJECTIVES: 1) How to get ready: Read Chapters 25 and 26, McKinley et al., Human Anatomy, 5e. All text references are for this textbook. 2) Identify structures
More informationSoft palate elevates, closing off the nasopharynx. Hard palate Tongue Bolus Epiglottis. Glottis Larynx moves up and forward.
The Cephalic Phase Chemical and mechanical digestion begins in the mouth Saliva is an exocrine secretion Salivary secretion is under autonomic control Softens and lubricates food Chemical digestion: salivary
More information2. A digestive organ that is not part of the alimentary canal is the: a. stomach b. liver c. small intestine d. large intestine e.
Chapter 14 The Digestive System and Body Metabolism Review Questions Multiple Choice: 1. Which of the following terms are synonyms? a. Gastrointestinal tract b. Digestive system c. Digestive tract d. Alimentary
More informationThe Digestive System
The Digestive System Key words Pharynx oesophagus stomach intestine epiglottis gall bladder Pancreas peristalsis liver enzyme rectum sphincter Pyloric duodenum jejunum ileum bile lipase Amylase trypsin
More informationThe digestive system consists of an alimentary canal and several accessory organs. The Digestive System
The digestive system consists of an alimentary canal and several accessory organs. The Digestive System The Digestive System The digestive system mechanically and chemically breaks down food. Mechanical
More informationHarvesting energy from food. Digestion: A Closer Look. Where digestion begins. Salivary Glands 4/17/13. Or how food gets from
Harvesting energy from food Or how food gets from to and body structures Cheese protein (a polymer of amino acids in a specific sequence) Breakdown of protein by human digestive system Amino acid monomer
More informationDigestive System. Part A Multiple Choice. 1. Which of the following is NOT a digestive enzyme? A. Pepsin. B. Ptyalin. C. Gastrin. D. Trypsin.
Digestive System Part A Multiple Choice 1. Which of the following is NOT a digestive enzyme? A. Pepsin. B. Ptyalin. C. Gastrin. D. Trypsin. 2. The presence of large numbers of mitochondria in the cells
More informationBiology 12 - Digestion Notes
Biology 12 - Digestion Notes Anatomy Physiology Functions of the Digestive System -------------------------------------------------------------------------------------- food (enzymes, bile, HCl) to assist
More informationSummary of chemical breakdown of food by hydrolytic enzymes (Protein enzymes).
Biology 12 Digestive System Digestion Overview: The digestive process can be divided into 4 phases: 1. ingestion - includes swallowing and peristalsis 2. digestion - the physical (by teeth) and chemical
More information* Produces various chemicals to break. down the food. * Filters out harmful substances * Gets rid of solid wastes
* * Produces various chemicals to break down the food * Filters out harmful substances * Gets rid of solid wastes * *Mouth *Pharynx *Oesophagus *Stomach *Small and large intestines * *Changes the physical
More informationChapter 14. The Digestive System and Body Metabolism
Chapter 14 The Digestive System and Body Metabolism Textbook and Workbook Assignments Textbook: pg. 463-494 Workbook: 277-281, 283-293, 299 Crash Course Videos: Digestive System part 1 https://www.youtube.com/watch?v=yiotrgfcmqm&t=35s
More informationChapter 9 Digestive System. Copyright 2016 McGraw-Hill Education. Permission required for reproduction or display.
Chapter 9 Digestive System Copyright 2016 McGraw-Hill Education. Permission required for reproduction or display. 1 Points to ponder What are the digestive system structures and their functions? Where
More informationChapter 15 Digestion and Nutrition
Chapter 15 Digestion and Nutrition Digestive System: Digestion refers to the mechanical and chemical breakdown of foods so that nutrients can be absorbed by cells. The digestive system consists of the
More informationKRISHNA TEJA PHARMACY COLLEGE HUMAN ANATOMY AND PHYSIOLOGY. DIGESTIVE SYSTEM Dr.B.Jyothi
KRISHNA TEJA PHARMACY COLLEGE HUMAN ANATOMY AND PHYSIOLOGY DIGESTIVE SYSTEM Dr.B.Jyothi Prof, Dept. Of Pharmacology KTPC The Digestive System Food undergoes six major processes: 1. Ingestion : process
More informationAnatomy & Physiology Digestive System
Anatomy & Physiology Digestive System I. Nutrition A. chemical substance that is needed by the body for normal growth, maintenance & repair. Two categories 1. needed in large amounts. Carbohydrates, Lipids
More informationGeneral functions of digestive system. Ch. 15 The Digestive System. General histology of the wall of the digestive tract. Overview of digestive organs
Overall idea: obtain nutrients from food (for energy and raw materials for synthesis), and defecate the leftover waste 2 types of organs involved: 1. Parts of the digestive tract (= a long muscular tube
More information3/16/2016. Food--mixture of carbohydrates, proteins, and lipids
Food--mixture of carbohydrates, proteins, and lipids Food being broken down into small molecules Takes place in the alimentary canal Complete digestive system 4 layers of tissue (in book) Lumen 1) MECHANICAL/PHYSICAL--
More informationLesson Overview The Digestive System
30.3 THINK ABOUT IT The only system in the body that food actually enters is the digestive system. So how does food get to the rest of the body after the process of digestion? Functions of the Digestive
More informationDigestive Lecture Test Questions Set 4
Digestive Lecture Test Questions Set 4 1. Which of the following is not associated directly with the small intestine: a. villi b. circular folds c. microvilli d. haustrae e. secretin 2. The largest (longest)
More informationThe Digestive System Overview of the Digestive Tract Overview of the Digestive Tract Overview of the Digestive Tract Overview of the Digestive Tract
16 The Digestive System Overview of the Digestive Tract The Digestive System Consists of the muscular digestive tract assisted by various accessory organs Digestive functions include: Ingestion Mechanical
More informationAnatomy and Physiology: The Unity of Form and Function
Chapter 25 Anatomy and Physiology: The Unity of Form and Function Second Edition Kenneth S. Saladin (c) The McGraw-Hill Companies, Inc. Structures and Location A. Location from mouth through thoracic
More informationUnit 3 Maintaining Dynamic Equilibrium I Topic: Human Digestive System Page 1 of 13. The Chemical Foundation of Digestion
Page 1 of 13 The Chemical Foundation of Digestion All organisms, regardless of size or complexity, have some method to obtain the essential nutrients they need for survival. Heterotrophs: Organisms that
More information5/29/2014. Before the nutrients we ingest can be absorbed and used by our cells, they must first be released from the food that contains them.
Before the nutrients we ingest can be absorbed and used by our cells, they must first be released from the food that contains them. The digestive system in involved in six essential activities: 1.Ingestion
More informationThe Digestive System. What is the advantage of a one-way gut? If you swallow something, is it really inside you?
The Digestive System What is the advantage of a one-way gut?! If you swallow something, is it really inside you? Functions and Processes of the Digestive System: Move nutrients, water, electrolytes from
More informationChapter 9. The digestive system. Glossary. Louise McErlean
Chapter 9 The digestive system Louise McErlean Glossary Absorption Process whereby the products of digestion move into the blood or lymph fluid. Acini glands Produce pancreatic juice. Amylase Carbohydrate
More informationDigestive System Notes. Biology - Mrs. Kaye
Digestive System Notes Biology - Mrs. Kaye Digestion There are two kinds of digestion: Mechanical digestion - the physical breakdown of food into smaller pieces to increase surface area for more enzyme
More informationDigestive Tract. Also called alimentary canal or gastrointestinal tract. stomach small intestine large intestine - anus
Digestive Tract Also called alimentary canal or gastrointestinal tract Mouth pharynxepiglottis- esophagus stomach small intestine large intestine - anus Digestive Tract Digestion: The mechanical and chemical
More informationRebel Biology - Nutrition. organisms need a variety of nutrients to perform life s activities. carbs, proteins. vitamins, water,
Rebel Biology - Nutrition organisms need a variety of nutrients to perform life s activities the most important ones are fats, carbs, proteins vitamins, water, these either provide direct value(fats/carbs/proteins)
More information