Name: Class: Date: Question #1. Question #2. What is the role of the heart in the circulatory system? It forms a network of blood vessels.

Human Body. The student knows that the human body is made of systems with structure and functions that are related.

Human Body The student knows that the human body is made of systems with structure and functions that are related. Cells Cells are the smallest living structures. All living things are made up of one or

Nervous System. Functions Controls all body s functions Senses and recognizes information from inside and outside of the body

Human Body Systems Nervous System Functions Controls all body s functions Senses and recognizes information from inside and outside of the body Nervous System Main Parts Brain Nerves Spinal cord What it

NOTES Inv. 2 Supporting Cells / / p.

NOTES Inv. 2 Supporting Cells / / p. Food (energy) Delivery System into our Bodies Excretory System digestive breaks down food into molecules that cells can use nutrient molecules pass into the bloodstream

Day 1 Essential Questions:

Day 1 Essential Questions: ~What are the different body systems? ~What are the parts of the systems? ~How is this system connected to other body systems? ~How do you keep this system working properly?

Levels of Organization

Levels of Organization What do you think the 5 Levels of Organization are in the body?? Brainstorm with your group and write down what you think are the 5 Levels Pick a recorder. Levels of Organization:

Multicellular living things are able to divide up the labor required to perform life functions between the different levels of organization ( organs

Multicellular living things are able to divide up the labor required to perform life functions between the different levels of organization ( organs and organ systems). A multicellular living thing will

Reporting Category 4: Biological Processes and Systems (11questions)

Reporting Category 4: Biological Processes and Systems (11questions) Major topics include: 1) Photosynthesis and Cellular respiration (energy and matter) 2) Role of enzymes 3) Animal systems* 4) Plant

Name: BLK. Anatomy Test.. Good Luck :)

Name: BLK Anatomy Test.. Good Luck :) 1) A boy jumps into a cold swimming pool and his body temperature goes down. His muscles, blood vessels, and nervous system work together to restore his body temperature.which

System Name: INTEGUMENTARY (cell wall) (Lysosomes) Main Organs: Main Organs: SKIN HAIR NAILS KIDNEYS URETERS BLADDER URETHRA

URINARY System Name: (Lysosomes) KIDNEYS URETERS BLADDER URETHRA LUNGS SKIN EXCRETORY System Name: INTEGUMENTARY (cell wall) SKIN HAIR NAILS Skin is the largest Organ. The excretory system collects and

Pre- Assessment. Prompt. Advance. 1. Duplicate assessment for each student

Pre- Assessment Concepts Assessed Living things are organized structurally from microscopic cells to tissues, organs, and organ systems; within each of these levels, living things demonstrate a structure

Body Systems. Before You Read. What parts make up each system of the human body? What is tissue? What is an organ?

BC Science 8 CH02 11/5/06 11:39 AM Page 20 Body Systems Textbook pages 52 63 Before You Read In this section, you will find out about the s of the human body. A is made of two or more parts that work together

Human Body Systems. Long narrow tube mixes enzymes with food Small nutrient molecules diffuse into blood

Human Body Systems Living Environment AIS Mr. DuRoss Digestive System : Break down large food molecules into smaller parts that the body can use Mouth Esophagus Stomach Small intestine Large intestine

Warm Up Where in a flower would you find xylem and phloem? 2. Where in a flower would you find palisade cells?

Body Systems Warm Up 4-4-16 1. Where in a flower would you find xylem and phloem? 2. Where in a flower would you find palisade cells? 3. Where in a flower would you find root hair cells? 4. What organelle

Bodies and Systems. What is your body made of?

What is your body made of? You might say that you are made of organs like skin and a heart. You might say that you are made of tissue, cells, or even atoms. All these answers are correct. Multicellular

Test Review: Animal Systems

Name: Date: Period: Test Review: Animal Systems This review is due on the day of your Animal Systems test. 1. Overview of Animals a. What is Homeostasis? b. Complete the levels of organization: Cells Organism

Science 8. Unit 2. Body Systems

Science 8 Unit 2 Body Systems Name: Class: TOPIC 2 Parts of a Compound Light BLM 2-2 Microscope Goal Practise calculating different magnifications of a microscope. Think About It A magnifying lens that

Post- Assessment. Prompt. Advance. 1. Duplicate prompt for each student

Post- Assessment Concepts Assessed Time Living things are organized structurally from microscopic cells to tissues, organs, and organ systems; within each of these levels, living things demonstrate a structure

Human Body Systems. Human Body Project Notes

Human Body Systems Human Body Project Notes Human Body Organ Systems for the Project Big Idea: Organ systems are composed of organs that are made of more than one type of tissue. Tissues are made of one

Heal a th t y h y B o B dy d Systems

Chapter 16 Healthy Body Systems The Cell The smallest unit of structure in a living organism Robert Hooke Identified & coined the term Cell when he saw cork under the microscope He used a compound microscope

KeslerScience.com. Digestive System. Integumentary System. Circulatory System. Function: Function: Function: Main Organs: Main Organs: Main Organs:

KeslerScience.com Integumentary System Circulatory System Digestive System Muscular System Nervous System Skeletal System Endocrine System (Female) Endocrine System (Male) Excretory System Reproductive

S7L Which part of the body receives messages transmitted by nerve cells located throughout the body?

S7L2-3 1. Which of the following is the heart's function? A. pumping blood B. breaking down food C. removing wastes from the blood D. taking in oxygen and releasing carbon dioxide 2. The body takes in

NASBRO, INC FUNVILLE AVE. GAMESVILLE, FL 10022

Attachment #1 NASBRO, INC. 2001 FUNVILLE AVE. GAMESVILLE, FL 10022 Dear Sir or Madam: Nasbro is looking for bright, enthusiastic, and creative young minds. Through a national survey Nasbro, Inc. has found

Level 2 Anatomy and Physiology Bite size revision. Respiratory System. The order of the passage of oxygen into the body (inhalation/inspiration) is: -

Respiratory System Function of the respiratory system The lungs are located in the chest cavity and their function is to intake oxygen and remove carbon dioxide from the body. Structure of the respiratory

Anatomy & Physiology Student Edition. 1. Which list shows different levels or organization within a population ordered from least to most complex?

Name: Date: 1. Which list shows different levels or organization within a population ordered from least to most complex? A. organ systems, organs, organelles, organisms B. organelles, organs, organ systems,

The Digestive System: to convert food particles into simpler micro molecules that can be absorbed into the bloodstream and used by the body

Body Systems The Digestive System: to convert food particles into simpler micro molecules that can be absorbed into the bloodstream and used by the body Major Organs and their Functions: Mouth to chew

Life Science Unit I. 4. Use the diagram to answer the question. 1. Eukaryotic cells are differentiated from prokaryotic cells because eukaryotic cells

Name: ate: 1. Eukaryotic cells are differentiated from prokaryotic cells because eukaryotic cells. are much smaller. 4. Use the diagram to answer the question. ell iagram. have permeable membranes.. have

Body Systems Overview

Body Systems Overview Body Systems work together: If you damage one system, you may damage several for example, smoking irritates the lungs and destroys the cells of the immune system Levels of Organization

Specialized cells are cells that have a specific. Similar specialized cells working together create.

Body Systems Review Specialized cells are cells that have a specific. Similar specialized cells working together create. Similar specialized tissues working together create. Organs working together create.

Overview of Anatomy & Physiology

Overview of Anatomy & Physiology Anatomy the study of the structure of body parts and their relationships to one another Gross or macroscopic Microscopic Developmental Physiology the study of the function

Chapter 7: Human body system

Grade: 8 END OF SEMESTER EXAMINATION FIRST SEMESTER REVISION BOOKLET AY 2018-2019 Subject: Science Teacher: Mr. Hafiz Muhammad Ahsan Ali Chapter 7: Human body system 1. Directions: On the line before each

amygdala (ah MIG da la) a region of the brain involved in emotional memory, such as fear (SRB)

FOSS Human Systems Interactions, Next Generation Edition Glossary abnormal different from what is usual (SRB) aerobic cellular respiration the process by which a cell releases energy using chemical reactions

BIO 2 GO! 3211b, 3212b Circulation and Excretion in Plants and Animals

BIO 2 GO! 3211b, 3212b Circulation and Excretion in Plants and Animals The circulatory system, vascular system, and excretory system work together to feed and clean the body of multicellular organisms.

BENCHMARK REVIEW (THIS WILL BE GRADED)

BENCHMARK REVIEW (THIS WILL BE GRADED) NAME D E F C B J A I H G QL QN QN QL QL 4 5 1 2 3 USE THE WORDBANK AND WRITE THE WORD THAT BEST FITS THE DEFINITION TESTABLE VARIABLE INDEPENDENT VARIABLE Sample

Science 8 Chapter 12 Section 1

Science 8 Chapter 12 Section 1 How Body Systems are Connected (pp. 436-445) System Coordination Cellular Respiration There are 4 different body systems that all play a part in the process of cellular respiration:

The Human Body. Mrs. Green

The Human Body Mrs. Green Bell Work Which of the following helps the body to cool down? a) Shivering b) Sweating c) Running a fever d) Taking a deep breath Which of the following is a function of the digestive

Overview of Anatomy and Physiology

1 The Human Body: An Orientation Overview of Anatomy and Physiology Anatomy the study of the structure of body parts and their relationships to one another Gross or macroscopic Microscopic Developmental

Human Anatomy & Physiology

Human Anatomy & Physiology Hey I thought those were the same thing! Nope they ain t Anatomy-Where everything is and to what it is connected. Physiology-How all that stuff works to keep you alive! Morphology-How

Human Body Systems Study Guide

Human Body Systems Study Guide Nervous System 1. Brain stem part of nervous system and controls the heartbeat and breathing by controlling the cardiac muscle and diaphragm. Also receives information from

Science 8 - Cells & Cell Organization Notes

Science 8 - Cells & Cell Organization Notes 1.1 - Characteristics of Living Things Composed of cells Reproduce, grow & repair themselves Require energy o Plants usually from sun o Animals from plants or

Cells and the Human Body Vocabulary. By: Haylei Reynolds

Cells and the Human Body Vocabulary By: Haylei Reynolds Tissue Definition: A group of similar cells that are organized to do a specific job. Sentence: Skin tissue make up an organ which is skin Organ Definition:

Unit 2 7 th Science NCFE Review

Unit 2 7 th Science NCFE Review. How are cells organized? Ø Complex living things are organized into 5 levels. Ø Cells carry on the processes that keep us alive. Examples: Red Blood Cells Muscle Cells

Chapter 8. Bellringer. Write as many words or phrases that describe the circulatory system as you can. Lesson 5 The Circulatory System

Lesson 5 The Circulatory System Bellringer Write as many words or phrases that describe the circulatory system as you can. Lesson 5 The Circulatory System Objectives Trace the path of blood through the

Bodies and Systems. What is your body made of?

What is your body made of? You might say that you are made of organs like skin and a heart. You might say that you are made of tissue, cells, or even atoms. All these answers are correct. Multicellular

Organs and Systems Organ: System:

3.2 Organ Systems Organs and Systems Organ: a combination of several types of tissues working together to perform a specific function System: a group of tissues and organs that perform specific functions

Pharynx. crop. intestine

THE DIGESTIVE SYSTEM The digestive system provides nutrients to the body (hearts) Pharynx esophagus gizzard crop intestine stages of digestion: Ingestion: taking in of nutrients Digestion: the breaking

The Circulatory System

The Circulatory System Single-celled organisms do not need a circulatory system. They are in direct contact with their environment, so transport of materials occurs by diffusion and osmosis. Larger organisms

Name: SLO and Quarterly Assessment #4 Review Date: Science 8 - Mrs. Hagan

Name: SLO and Quarterly Assessment #4 Review Date: Science 8 - Mrs. Hagan Period: 1. The data table below shows the masses and volumes of three objects (,, and ). The formula for calculating an object's

Circulatory/Respiratory Systems. BY: 6 th Grade Students

Circulatory/Respiratory Systems BY: 6 th Grade Students 2017-18 CIRCULATORY SYSTEM LOCATION Both the Circulatory System and Respiratory System are centered in the chest, specifically at the heart! CIRCULATORY

Science 8 Unit 1 Pack:

Science 8 Unit 1 Pack: Name Section 1: Observing Living Things Living things have characteristics that help them survive in their environment Small organisms can observed with the help of microscopes Words

S2 Biology. Topic 2: THE HUMAN BODY

S2 Biology. Topic 2: THE HUMAN BODY SCN 3-12a: I have explored the structure and function of organs and organ systems and can relate this to the basic biological processes required to sustain life SCN

Nervous System. Skeletal System. Muscular System. Reproductive System. Circulatory System. Endocrine System. Respiratory System. Integumentary System

The Human Body Skeletal System Muscular System Circulatory System Respiratory System Digestive System Nervous System Reproductive System Endocrine System Integumentary System Excretory System Lymphatic/Immune

Build A Body Virtual Tour Questions Male

http://www.spongelab.com/register/index.cfm Build A Body Virtual Tour Questions Male The Digestive System 1. How is the digestive system described? Esophagus 2. The esophagus leads from the to the. 3.

3.0 Healthy human function depends on a variety of interacting and reacting systems

3.0 Healthy human function depends on a variety of interacting and reacting systems Vocabulary: Mechanical digestion: physical break down of food into very small pieces. Chemical digestion: breakdown of

Diagnostic Assessment for The Inside Story

Diagnostic Assessment for The Inside Story Cells, Organs, and Systems of the Human Body Table of Contents Item Page Number Diagnostic Assessment, The Inside Story, Instructions page 2 Diagnostic Assessment,

Unit 1: Human body: combination I - IV

Unit 1: Human body: combination I - IV Study online at quizlet.com/_1kzmm2 1. alveoli 6. bronchioles microscopic air sacs in the lung where diffusion of the respiratory gases, oxygen and carbon dioxide

Body Science: Cell Theory (3 rd -5 th Grades) Pre-Visit Activities

Body Science: Cell Theory (3 rd -5 th Grades) Pre-Visit Activities Vocabulary List and Student Definitions (elementary level): Cell: basic unit of life, too small to see with the naked eye Tissue: group

The Circulatory System of a Sparrow. By Sydney Breitbach

The Circulatory System of a Sparrow By Sydney Breitbach Parts of the System # PART FUNCTION 1 Venae Cavae Large vein that carries deoxygenated blood into the heart. It is located on the left side of the

INTEREST GRABBER NOTEBOOK #1

INTEREST GRABBER NOTEBOOK #1 AN IMPORTANT PROCESS While walking along a dusty path, you begin to cough. As you continue your walk, a small insect comes flying toward you. You blink and then duck so that

BODY SYSTEMS BODY CAVITIES THE RESPIRATORY SYSTEM. Movements BODY CAVITIES. Pediatric Considerations In Respiratory System

BODY SYSTEMS A body system is a group of organs and other structures work together to carry out specific functions. The following systems work together to carry out a function needed for life: Respiratory

Body Systems Notes. Nervous, Integumentary, Immune/Lymphatic, Circulatory, Skeletal, Respiratory, Digestive, Excretory, Endocrine, Reproductive

Body Systems Notes Nervous, Integumentary, Immune/Lymphatic, Circulatory, Skeletal, Respiratory, Digestive, Excretory, Endocrine, Reproductive Homeostasis: maintaining a balance. Examples: temperature,

Cells Tissues Organs Organ Systems Organism. A collection of the same type of cells working together to perform a function.

Name the 5 Basic Levels of Organization in Living Things Cells Tissues Organs Organ Systems Organism What is HOMEOSTASIS? The process by which your body maintains a stable internal environment. What is

STREAM. Human Body Project Pages Website QR Code body project/

STREAM Human Body Project Pages 1 16 Website QR Code https://sites.google.com/a/wyckoffschools.org/human body project/ Project Checklist Did you include Head a brain that can open to show the inside as

The Human Body: An Orientation

PowerPoint Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College The Human Body: An Orientation 1 PART A The Human Body An Orientation Anatomy Study of the structure

Cardiovascular System Notes

Cardiovascular System Notes Cardiovascular System a transportation system that carries needed substances to cells and waste products away from cells. Functions Transports nutrients to cells Transports

Body systems WORKSHEET 2.1

Body systems WORKSHEET 2.1 1. Unscramble the body systems in the box then write below the correct picture. osnreuv peodctuievrr otorolmoc gitdeevsi teyrocxer 2. Draw and label the organs. A. Kidneys B.

Unit 4: Summary. Similarities and Differences Between Living Things

Unit 4: Summary Similarities and Differences Between Living Things Review cell theory All living things made of cells Cells perform life functions Cells come from pre existing cells What are life functions?

Chapter 16. Human Anatomy

Chapter 16 Human Anatomy Each System we will examine: Structures types Problems or health concerns How to care for that system Skeletal System Made up of bones, joints, connective tissue Is the frame for

Body Systems Unit End Project

Body Systems Unit End Project Digestive System Your Assignment Create a model of the digestive system using the top diagram on p 130 in your text book. Use Pipe Cleaners and paper to label the following

The Circulatory and Respiratory Systems

BC Science 8 CH02 11/5/06 11:39 AM Page 32 The Circulatory and Respiratory Systems Textbook pages 82 95 Before You Read Section 2.3 Summary How do you think oxygen from the air you breathe gets into your

Regulation and Homeostasis in the Human Body: Quick view

Human Body Systems Regulation and Homeostasis in the Human Body: Quick view Eleven Body Systems work together to maintain homeostasis. 1. Nervous System 2. Endocrine System 3. Lymphatic System 4. Circulatory

Unscramble THE HUMAN BODY. aehtr. taryre. vreil. hmsotac. crathea. Riddle: Why didn t the teddy bear tell the doll the bad news? Answer: He didn t.

Unscramble Name Date Directions: To answer the riddle, unscramble each word and write it in the squares. Then write the circled letters in order on the numbered spaces below. 1 3 taryre 5 9 11 a blood

CONTEXT POINT 2: Plants and animals transport dissolved nutrients and gases in a fluid medium.

CONTEXT POINT 2: Plants and animals transport dissolved nutrients and gases in a fluid medium. Identify the form(s) in which each of the following is carried in mammalian blood: Carbon dioxide 70% as hydrogen

WORD BANK liver mouth teeth anus

)ur Digestive System ibel the parts pf your digestive system. Name pancreas stomach esophagus salivary glands WORD BANK liver mouth teeth anus gall bladder large intestine small intestine Topic 3.1 Digestive

Introduction to Human Body Systems

The Human Organism: Introduction to Human Body Systems By Deanne Erdmann, MS Levels of Organization in the Body Cells Tissues Epithelial, connective, muscular, nervous Organs Examples include stomach,

10.1 The Pulmonary-Circulatory System

pulmonary system breathing lungs pneumonia suffocation asthma circulatory system atrium ventricle artery capillary vein heart attack stroke heart The Pulmonary System Our pulmonary system contains tissues

S7L Which of these is an important part of the nervous system? A. spinal cord B. stomach C. veins D. muscles

S7L-4 1. Which of these is an important part of the nervous system? A. spinal cord B. stomach C. veins D. muscles 2. To prevent disease, the human body naturally produces A. enzymes. B. antibodies. C.

Review of 10 major human body systems using a puzzle technique. Systems Shuffle. By: Heidi Hisrich of The Dork Side

Review of 10 major human body systems using a puzzle technique Systems Shuffle By: Heidi Hisrich of The Dork Side Teaching students about the different human body systems is one of my favorite things to

The human body is amazing! Like a machine, the human body is made of smaller parts that all work together. The human body is always working. Think about this: while you read this, your heart is pumping

Biology 5-1: Animal Systems I

Name: Period: Biology 5-1: Animal Systems I Assignments: Description Page(s) Due Date 1 Biology 4 th & 5 th Six Weeks MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY Feb 9 10 11 12 13 Review for Test Test - Classification

The Human Body: Circulatory and Respiratory Systems

The Human Body: Circulatory and Respiratory Systems Lesson 1: What is a Body System? Cells - smallest parts - billions in the body - can have special jobs Tissues - similar cells grouped together - muscle

DeltaScience. Content Readers. Summary. Science Background. Objectives. Reading Comprehension Skills. Supporting English Learners

DeltaScience Content Readers TM Red Edition Grade 3 4 reading level Purple Edition Grade 4 5 reading level Objectives Describe cells, the basic units of all living things. List the four main kinds of tissue

Stonelaw High School Science Faculty. S2 Science Body Systems Homework Booklet

Stonelaw High School Science Faculty S2 Science Body Systems Homework Booklet Name: Class: Success Criteria I am confident that I understand this and can apply this to problems? I have some understanding

Circulatory System Webquest!

Circulatory System Webquest My Name: Group Members: Fact #1 Facts Source: Fact #2 Source: Fact #3 Source: Fact #4 Source: Fact #5 Source: Video Questions What is the largest muscle in the circulatory system?

The Human Body. The human body is composed of many systems

The Human Body The human body is composed of many systems Circulatory - Immune Respiratory - Digestive Muscular - Nervous Skeletal - Reproductive Lymphatic - Endocrine Integumentary Excretory THE NERVOUS

HUMAN BODY SYSTEMS EXAM (S7L2)

HUMAN BODY SYSTEMS EXAM (S7L2) Multiple Choice Directions: Select the best answer for each of the following questions. 1. Teeth are part of the skeletal system, but they are also part of the digestive

***Non-living things may show one or more of these Characteristics, but NEVER ALL of them

-Living things are highly ORGANIZED -Living things are made up of one or more CELLS -Living things use ENERGY -Living things GROW and develop -Living things RESPOND to changes in the environment -Living

Name # Class Date Human Body Systems Take Home Test

Name # Class Date Human Body Systems Take Home Test 1. In the knee, the ends of the leg bones are held together primarily by A) ligaments B) smooth muscle C) tendons D) cardiac muscle 2. Which two structures

INTRODUCTION TO THE HUMAN BODY ANSWER KEY

PRE-VISIT CLASSROOM ACTIVITY - MEET THE HUMAN BODY Use the guided reading activity and matching worksheet as an in-class activity to introduce your students to the basic functions of the body systems and

By Helen and Mark Warner

By Helen and Mark Warner www.teachingpacks.co.uk Teaching Packs - The Human Body - Page 1 Image ThinkStock In this section, you will learn about... 1. The major systems and organs in the human body. 2.

WHAT S INSIDE STUFFEE? What s Inside Stuffee?

TEACHER GUIDE WHAT S INSIDE STUFFEE? 60 Minute Health Lesson Science-to-Go! Program Grades: PreK-1 What s Inside Stuffee? Description In this larger-than-life anatomical experience, we turn our big-hearted

Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like

Page 95»Question» Question 1: Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans? Multicellular organisms such as humans possess complex body designs.

The Circulatory System. Lesson 4. Quick Check. Trace the path of blood after it is pumped from the heart. 22. First

Lesson 4 The Circulatory System How does blood transport materials? Your circulatory system is a delivery system. Red blood cells travel in the blood, bringing things to and from your body cells. The main

Circulatory System. and. Respiratory System. Ari Min, Yerim Lee and Min Ji Song THE HEART LUNGS. Monday, May 23, 2011

Human Anatomy Circulatory System and THE HEART Respiratory System LUNGS Ari Min, Yerim Lee and Min Ji Song Purpose of the Circulatory System Function of circulatory system: exchange gases with cardiovascular

UNIT 3. DIGESTIVE AND RESPIRATORY SYSTEMS

UNIT 3. DIGESTIVE AND RESPIRATORY SYSTEMS 1. NUTRITION The process of nutrition allows living organisms to obtain the matter and energy they need for making their own matter and for carrying out their

Circulatory System 10/1/2014 1

Circulatory System 10/1/2014 1 Which part of the brain controls heartbeat, breathing, blood pressure, & digestion? A. Cerebellum B. Brain stem C. Cerebrum 0 0 0 10/1/2014 Nervous System 2 Cerebellum Brain

CHAPTER 1 THE HUMAN BODY

HPTER 1 THE HUMN OY TRUE/FLSE 1. midsagittal plane vertically divides the body through the midline into two equal left and right portions or halves. NS: T NOT: midsagittal plane vertically divides the

Caledonia Science the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, The is the muscle that moves the blood throughout the highway system of vessles. The

PAP Animal Body Systems Test Review. 1. List the levels of organization from largest to smallest. (Organ-Organism-Cell-Organ System-Tissue),,,,

Name Period PAP Animal Body Systems Test Review 1. List the levels of organization from largest to smallest. (Organ-Organism-Cell-Organ System-Tissue),,,, 2. Put the following pictures below in the correct

NCERT SOLUTIONS OF Life Processes

1 NCERT SOLUTIONS OF Life Processes Question 1: Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans? Answer: The body structure of multicellular organism