The Digestive System

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1 The Digestive System

2 Identify the Structure and Function.

3 Mesentery of the Large Intestine The mesentery functions to connect the visceral organs to the abdominal wall.

4 Identify the Structure.

5 Nasal Cavity

6 Identify the Structure.

7 Palate

8 Identify the Structure.

9 Tongue

10 Identify the Structure.

11 Bolus of Food

12 Identify the Structure.

13 Tongue

14 Identify the Structure and Function.

15 Esophagus The function of the esophagus is to carry food, liquids, and saliva from the pharynx to the stomach.

16 Identify the Structure and Function.

17 Pharynx The function of the pharynx is to 1. Transfer food from the mouth to the esophagus 2. Warm, moisten and filter air before it moves into the trachea

18 Identify the Structure and Function.

19 SALIVARY GLANDS Sublingual Gland The salivary glands produce saliva. Saliva is necessary to moisten food to create a bolus (moist ball of food that can be swallowed).

20 Identify the Structure and Function.

21 SALIVARY GLANDS Submandibular Gland The salivary glands produce saliva. Saliva is necessary to moisten food to create a bolus (moist ball of food that can be swallowed).

22 Identify the Structure and function.

23 Epiglottis The Epiglottis functions to cover the windpipe (trachea) to prevent food from entering.

24 Identify the Structure and Function.

25 SALIVARY GLANDS Parotid Gland The salivary glands produce saliva. Saliva is necessary to moisten food to create a bolus (moist ball of food that can be swallowed).

26 Identify the Structure and function. Trachea

27 The Epiglottis functions to cover the windpipe (trachea) to prevent food from entering. Trachea Epiglottis

28 Identify the Structure and Function.

29 Identify the Structure and Function. Mesentery Attach the digestive organs to the abdominal wall.

30 Diaphragm Identify the Structure and Function.

31 The diaphragm is a muscle that lies below the lungs that separates the thoracic cavity from the abdominal cavity and functions to force air into and out of the lungs, along with the intercostal muscles. Diaphragm

32 What Parts is the of function the of the Large large intestine? Intestine

33 What Parts is the of function the of the Large large intestine? Intestine To concentrate and eliminate waste.

34 Identify Parts the of Structure the Identify the Structure. and Large Function. Intestine

35 Parts of the Large Intestine Transverse Colon The main function of the large intestine (also called the colon) is to concentrate and produce waste in the form of feces.

36 Parts of the Identify Identify the the Structure. Structure and Large Function. Intestine

37 Parts of the Large Intestine Ascending Colon The main function of the large intestine (also called the colon) is to concentrate and produce waste in the form of feces.

38 Identify Parts the of Structure the Identify the Structure. and Large Function. Intestine

39 Parts of the Large Intestine Descending Colon The main function of the large intestine (also called the colon) is to concentrate and produce waste in the form of feces.

40 *Transverse Colon Removed Pyloric Identify Sphincter the Structure.

41 *Transverse Colon Removed Pyloric Sphincter

42 *Transverse Colon Removed Identify Mesentery the Structure and function.

43 *Transverse Colon Removed The mesentery functions to connect the visceral organs to the abdominal wall. Mesentery

44 *Transverse Colon Removed Identify Duodenum the Structure.

45 *Transverse Colon Removed Duodenum

46 Pancreas Identify the Structure and the Function.

47 The PANCREAS functions produce digestive enzymes that are secreted into the small intestine to further break down food after it has left the stomach. FYI: The pancreas is also an endocrine gland because it produces the hormone insulin and secretes it into the bloodstream in order to regulate the body's glucose or sugar level Pancreas

48 Identify Pancreatic the Structure and Duct the Function.

49 The PANCREATIC DUCT functions to deliver the digestive enzymes from the pancreas (where they are produced) to the duodenum of the small intestine. These enzyme act to further break down food after it has left the stomach. FYI: The pancreas is also an endocrine gland because it produces the hormone insulin that is secreted into the bloodstream to regulate glucose levels in the body. Pancreatic Duct

50 Appendix Identify the Structure and Function.

51 Has immune function to house and release lymphocytes. Appendix

52 Cecum Identify the Structure.

53 Cecum

54 Identify the Structure. Identify the Structure and function.

55 The ileocecal valve functions to prevent substances flowing back into the ileum once they have reached the cecum. Ileocecal Valve

56 Identify the Structure and function.

57 Digestion and absorption of nutrients. The small intestine is the part of the intestine is where 90% of the digestion and absorption of food occurs. Jejunum

58 Duodenum Identify the Structure.

59 Duodenum

60 Identify the Structure and function.

61 Digestion and absorption of nutrients. The small intestine is the part of the intestine is where 90% of the digestion and absorption of food occurs. Jejunum

62 AREAS OF THE SMALL INTESTINES Identify the Identify the Structure Ileum and Structure. function.

63 AREAS OF THE SMALL INTESTINES Ileum Digestion and absorption of nutrients. The small intestine is the part of the intestine is where 90% of the digestion and absorption of food occurs.

64 AREAS OF THE LARGE INTESTINES Identify the Identify Ileocecal the Structure and Structure. Valve function.

65 AREAS OF THE LARGE INTESTINES The ileocecal valve functions to prevent substances flowing back into the ileum once they have reached the cecum. Ileocecal Valve

66 AREAS OF THE LARGE INTESTINES Identify the Cecum Structure.

67 Cecum AREAS OF THE LARGE INTESTINES

68 Identify the Identify Appendix the Structure and (the Structure. thing in green) function.

69 Has immune function to house and release lymphocytes. Appendix (the thing in green)

70 Identify the Identify Ascending the Structure and Structure. Colon function.

71 AREAS OF THE LARGE INTESTINES The main function of the large intestine (also called the colon) is to concentrate and produce waste in the form of feces. Ascending Colon

72 AREAS OF THE LARGE INTESTINES Identify the Identify Transverse the Structure and Structure. Colon function.

73 AREAS OF THE LARGE INTESTINES The main function of the large intestine (also called the colon) is to concentrate and produce waste in the form of feces. Transverse Colon

74 Identify Descending the the Structure. Colon and function.

75 AREAS OF THE LARGE INTESTINES The main function of the large intestine (also called the colon) is to concentrate and produce waste in the form of feces. Descending Colon

76 Identify the Structure Identify Sigmoid the and function. Structure. Colon

77 AREAS OF THE LARGE INTESTINES Sigmoid Colon

78 Identify the Structure Identify Sigmoid the and function. Structure. Colon

79 AREAS OF THE LARGE INTESTINES The main function of the large intestine (also called the colon) is to concentrate and produce waste in the form of feces. *The sigmoid colon starts at the bottom of the descending colon and wraps around back. Sigmoid Colon

80 Pancreas Identify the Structure and Function.

81 The pancreas is not part of the alimentary canal, but it makes pancreatic juice that has digestive enzymes needed to break down food. Pancreas

82 Pancreatic Identify the Structure and Function. Duct

83 The pancreas is not part of the alimentary canal, but it makes pancreatic juice that has digestive enzymes needed to break down food. The pancreatic duct carries the pancreatic juice to the duodenum. Pancreatic Duct

84 Identify Pancreatic the the Structure Structure. Duct and function.

85 Pancreatic Duct The pancreas is not part of the alimentary canal, but it makes pancreatic juice that has digestive enzymes needed to break down food. The pancreatic duct carries the pancreatic juice to the duodenum.

86 Pancreas Identify the Structure and Function.

87 The pancreas is not part of the alimentary canal, but it makes pancreatic juice that has digestive enzymes needed to break down food. Pancreas

88 Pancreas Identify the Structure and Function.

89 The pancreas is not part of the alimentary canal, but it makes pancreatic juice that has digestive enzymes needed to break down food. The pancreatic duct carries the pancreatic juice to the duodenum. Pancreas

90 Duodenum Identify the Structure and Function.

91 The duodenum receives the food first and receives bile (bile digests fat) and receives the pancreatic juice that has enzymes. Duodenum

92 Anus Identify the Structure.

93 Anal Canal

94 Rectum Identify the Structure.

95 Rectum

96 LIVER inside view Identify Common the Hepatic Structure. Duct

97 LIVER inside view The cystic duct (the duct of the gall bladder) and hepatic duct (the duct of the liver) combine to form the common bile duct. It functions to deliver bile to duodenum. Hepatic Duct

98 Identify the Structure Sublingual and Function. Gland

99 Sublingual Gland The salivary glands produce saliva. Saliva is necessary to moisten food to create a bolus (moist ball of food that can be swallowed).

100 Identify the Structure and function.

101 Sublingual Gland The salivary glands produce saliva. Saliva is necessary to moisten food to create a bolus (moist ball of food that can be swallowed).

102 Identify the Structure and function.

103 Submandibular Gland The salivary glands produce saliva. Saliva is necessary to moisten food to create a bolus (moist ball of food that can be swallowed).

104 Parotid Gland Identify the Structure and Function.

105 Parotid Gland The salivary glands produce saliva. Saliva is necessary to moisten food to create a bolus (moist ball of food that can be swallowed).

106 Submandibular and Gland Function. Identify the Structure

107 Submandibular Gland The salivary glands produce saliva. Saliva is necessary to moisten food to create a bolus (moist ball of food that can be swallowed).

108 Identify the Structure Pharynx and Function. (Throat)

109 Pharynx (Throat) The function of the pharynx is to 1. Transfer food from the mouth to the esophagus 2. Warm, moisten and filter air before it moves into the trachea

110 Esophagus Identify the Structure and Function.

111 Esophagus The function of the esophagus is to carry food, liquids, and saliva from the pharynx to the stomach.

112 Pyloric Region Identify the Structure.

113 Pyloric Region

114 Identify Pyloric the Structure and Sphincter Function.

115 Pyloric Sphincter The function of the pyloric sphincter is to act as a valve to controls the flow of partially digested food from the stomach to the small intestine.

116 Identify the Structure. Rugae (large folds) Muscles that Allow Churning of the Stomach

117 Rugae (large folds)

118 Fundic Region Identify the Structure.

119 Fundus (aka) Fundic Region

120 Cardiac Region Identify the Structure.

121 Cardiac Region

122 Body Region Identify the Structure.

123 Body Region

124 Cardiac Sphincter Identify the Structure and Function.

125 Cardiac Sphincter The function of the cardiac sphincter is to act as a valve that contracts to prevent acid reflux and relaxes to allow food to pass.

126 Mesentery Identify the Structure.

127 Mesentery Attaches the small intestine to the abdominal wall and covers visceral organs.

128 Duodenum Identify the Structure (be specific).

129 Pyloric Valve

130 Identify the Structure.

131 Ileocecal Valve The ileocecal valve functions to prevent substances flowing back into the ileum once they have reached the cecum.

132 Oral Cavity Identify the Structure and Function.

133 Oral Cavity The mouth functions to take in food and to contain structures needed for mastication (chewing).

134 Identify Pharynx the General Structure and (throat) Function.

135 Pharynx (throat) The function of the pharynx is to 1. Transfer food from the mouth to the esophagus 2. Warm, moisten and filter air before it moves into the trachea

136 Trachea Identify the Structure. (wind pipe)

137 Trachea (wind pipe)

138 Esophagus Identify the Structure.

139 Esophagus The function of the esophagus is to carry food, liquids, and saliva from the pharynx to the stomach.

140 Esophagus Identify the Structure.

141 Esophagus The function of the esophagus is to carry food, liquids, and saliva from the pharynx to the stomach.

142 Identify the Small Intestines Structure and (Jejunum) Function.

143 Small Intestines (Jejunum) Digestion and absorption of nutrients. The small intestine is the part of the intestine is where 90% of the digestion and absorption of food occurs.

144 Stomach Identify the Structure.

145 Stomach Storage, Churning and Secretes Enzymes.

146 Cardiac Identify the Region Structure.

147 Cardiac Region

148 What is the FUNCTION of the stomach? Body Region

149 Body Region The Storage, function of the Churning stomach is and to secrete acid and digestive Secretes enzymes to break Enzymes. down food.

150 Identify the Structure and Function.

151 What Identify is the Structure and Function. Cardiac Sphincter The cardiac sphincter prevents the acidic contents of the stomach from moving upward into the esophagus and allows food to pass into stomach when relaxed.

152 Anatomy of the Stomach Model Cardiac Sphincter The cardiac sphincter prevents the acidic contents of the stomach from moving upward into the esophagus and allows food to pass into stomach when relaxed.

153 Anatomy of the Stomach Model Identify the Structure and Function.

154 Anatomy of the Stomach Model Identify the Structure and Function.

155 Identify Anatomy the of Structure the Stomach and Function. Model Pyloric Sphincter The pyloric sphincter acts as a valve to controls the flow of partially digested food from the stomach to the small intestine.

156 Anatomy of the Stomach Model Identify the Structure and Function.

157 Identify Anatomy the of Structure the Stomach and Function. Model Pyloric Sphincter The pyloric sphincter acts as a valve to controls the flow of partially digested food from the stomach to the small intestine.

158 Anatomy of the Stomach Model Identify the Structure.

159 Anatomy Identify of the the Stomach Structure. Model Pyloric Region

160 Anatomy of the Stomach Model Identify the Structure.

161 Anatomy Identify of the the Stomach Structure. Model Cardiac Region

162 Anatomy of the Stomach Model Identify the Structure.

163 Anatomy Identify of the the Stomach Structure. Model Body Region

164 Anatomy of the Stomach Model Identify the Structure.

165 Anatomy Identify of the the Stomach Structure. Model Fundus

166 Anatomy of the Stomach Model Identify the Structure.

167 Anatomy Identify of the the Stomach Structure. Model Rugae (deep ridges) Muscles that Allow Churning of the Stomach

168 Identify the Structure.

169 Ileum Digestion and absorption of nutrients. The small intestine is the part of the intestine is where 90% of the digestion and absorption of food occurs.

170 Identify the Structure. Jejunum Digestion and absorption of nutrients. The small intestine is the part of the intestine is where 90% of the digestion and absorption of food occurs.

171 Jejunum

172 Duodenum Identify the Structure.

173 Duodenum Pyloric Valve

174 Duodenum Identify the Structure. Duodenum

175 Duodenum The duodenum receives the food first and receives bile (bile digests fat) and receives the pancreatic juice that has enzymes.

176 Pancreas Identify the Structure and Function.

177 Pancreas The pancreas is not part of the alimentary canal, but it makes pancreatic juice that has digestive enzymes needed to break down food. The pancreatic duct carries the pancreatic juice to the duodenum.

178 Identify the cell type.

179 Identify the cell type. Columnar Epithelial Cells

180 Identify this Layer

181 Submucosal Layer

182 Identify this Layer

183 Muscular Layers

184 Identify this Cell Type

185 Identify this Cell Type GOBLET CELL

186 Identify this Cell Type

187 GOBLET CELL

188 Simple Identify this Columnar Cell Type Epithelium

189 Simple Columnar Epithelium

190

191

192

193

194 Identify the structure.

195 Identify the structure. MUCOSA

196 Identify the structure.

197 Identify the structure. SUBMUCOSA

198 Identify the structure.

199 Identify the structure. MUSCLE LAYER

200 Identify the structure.

201 Identify the structure. SEROSA

202 Identify the structure.

203 Identify the structure. LUMEN

204 Identify the structure.

205 Identify the structure.

206 Identify the structure.

207 Identify the structure. SEROSA

208 Identify the structure.

209 Identify the structure.

210 Identify the structure.

211 Identify the structure. SUBMUCOSA

212 Identify the structure.

213 Identify the structure. MUSCLE LAYERS

214 Pancreas The pancreas is not part of the alimentary canal, but it makes pancreatic juice that has digestive enzymes needed to break down food. The pancreatic duct carries the pancreatic juice to the duodenum.

215 Cecum Identify the Structure.

216 Cecum

217 Identify the Structure. Appendix

218 Appendix Has immune function to house and release lymphocytes.

219 SUPERIOR VIEW What is the Function of the Liver?

220 IVER SUPERIOR VIEW The liver functions to secrete the digestive enzyme bile, for aiding in the digestion of fats.

221 Anatomy of the LIVER INFERIOR VIEW Common Bile Duct Identify the Structure.

222 Anatomy of the LIVER INFERIOR VIEW Common Bile Duct The cystic duct (the duct of the gall bladder) and hepatic duct (the duct of the liver) combine to form the common bile duct. It functions to deliver bile to duodenum.

223 Anatomy of the LIVER INFERIOR VIEW Identify the Structure.

224 Anatomy of the LIVER INFERIOR VIEW The cystic duct (the duct of the gall bladder) and hepatic duct (the duct of the liver) combine to form the common bile duct. It functions to deliver bile to duodenum. Hepatic Ducts

225 Anatomy of the LIVER INFERIOR VIEW Identify Gall the Structure Bladder and Function.

226 Anatomy of the LIVER INFERIOR VIEW Stores bile (sends it to duodenum). Gall Bladder

227 Anatomy of the LIVER INFERIOR VIEW Identify the Structure.

228 Anatomy of the LIVER INFERIOR VIEW Cystic Duct The cystic duct (the duct of the gall bladder) and hepatic duct (the duct of the liver) combine to form the common bile duct. It functions to deliver bile to duodenum.

229 Anatomy of the LIVER INFERIOR VIEW Identify the The function of the GALL BLADDER is to store and Structure and concentrate bile. Bile is a digestive enzyme produced by the liver that helps break up fats (lipids). Function.

230 Anatomy of the LIVER INFERIOR VIEW The function of the GALL BLADDER is to store and concentrate bile. Bile is a digestive enzyme produced by the liver that helps break up fats (lipids). Gall Bladder

231 The Jejunum Microvilli Simple Columnar Epithelium Goblet Cell Nucleus

232 Lumen

233 Lumen Villi Columnar Epithelial Cells and Goblet Cells Submucosa

234 Lumen Mucosa Villi Submucosa Muscularis (Muscle Layer) Serous Layer Muscularis Mucosa (Muscle Layer)

235 Villi Columnar Epithelial Cells and Goblet Cells Lumen Muscularis Mucosa Villi Submucosa Arteries and Veins in Submucosa Muscular Layers Submucosa Serosa Serosa

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