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Name: _________________________________ Date: __________________ Period: ____________ Digestive System Study Guide 1. An Overview Decide whether the organ listed is in the alimentary canal (A) or an accessory organ (B) in the digestive system. 1. Teeth ___ 6. Pancreas ___ 2. Pharynx ___ 7. Small Intestine ___ 3. Stomach ___ 8. Gall Bladder ___ 4. Salivary Glands ___ 9. Large Intestine ___ 5. Anus ___ 10. Liver ___ What are the three main functions of the digestive system? 1) __________________and ___________________break down of food 2) _____________________________ of nutrients 3) ______________________________ of wastes 2. Alimentary Canal 1. Label the parts of the digestive system by placing the numbers of the structures in the spaces by the correct labels. _____ Anus _____ Appendix _____ Cecum _____ Colon, ascending _____ Colon, descending _____ Colon, sigmoid _____ Colon, transverse _____ Common bile duct _____ Duodenum _____ Esophagus _____ Gallbladder _____ Liver _____ Mouth _____ Palate _____ Pancreas _____ Parotid gland _____ Pharynx _____ Rectum _____ Small intestine _____ Stomach _____ Sublingual gland _____ Submandibular gland _____ Tongue _____ Tooth Page 1 Name: _________________________________ Date: __________________ 3. Mouth Period: ____________ Write the terms that match the statements in the spaces at the right. 1) Form lateral walls of the mouth. _______________________________ 2) Separates oral and nasal cavities. _______________________________ 3) Manipulates food during chewing. _______________________________ 4) Three pairs of salivary glands. _______________________________ 5) Cleanses and lubricates mouth. _______________________________ 6) End product of digestion in mouth (starch). _______________________________ 7) The name for the process of chewing. _______________________________ 8) The space behind your lip, in front of gums. _______________________________ 9) This hangs from the soft palate. _______________________________ 10) These help to crush, tear, and grind food. _______________________________ 11) This structure connects the tongue to the floor of the mouth. ____________________ 4. Pharynx & Esophagus Write the terms that match the statements in the spaces at the right. 1) Tube carrying food to the stomach. 2) Relaxes to let food enter stomach. 3) Carries food from mouth to esophagus. 4) Covers laryngeal opening in swallowing. 5) The type of digestion in the pharynx. 6) The type of digestion in the esophagus 7) What is getting absorbed in these organs? 5. Stomach _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ Write the terms that match the statements in the spaces at the right. 1) Region of stomach joining esophagus. 2) Region of stomach joining duodenum. 3) The other two regions of the stomach 4) Name for food that is broken down to paste. 5) Acid in gastric juice. 6) The type of digestion that occurs here. 7) What is getting absorbed here? 8) The folds inside the stomach. _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ Page 2 Name: _________________________________ Date: __________________ 6. Small Intestine Period: ____________ Write the terms that match the statements in the spaces at the right. 1) Segment continuous with the stomach. _______________________________ 2) Segment continuous with the cecum. _______________________________ 3) Middle segment of the small intestine. _______________________________ 3) Membranes supporting small intestine. _______________________________ 4) Relaxes to allow remaining food to the large int. _______________________________ 5) Relaxes to allow chyme to enter the small intestine. ____________________________ 6) Secretion of intestinal glands. _______________________________ 7) Fingerlike projections of the mucosa. _______________________________ 7. Large Intestine Write the terms that match the statements in the spaces at the right. 1) Pouchlike first part of large intestine. 2) External opening of large intestine. 3) Colon segment along left side of abdomen. 4) Colon segment along right side of abdomen. 5) Colon segment continuous with rectum. 6) Wormlike extension of cecum. 7) Involuntarily controlled anal sphincter. 8) Voluntarily controlled anal sphincter. 9) Fluid absorbed by large intestine. 10) Relaxes, allowing chyme to enter cecum. 8. Accessory Organs _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ Write the terms that match the statements in the spaces at the right. 1. The function of the pancreas ______________________________________________ 2. What does the bile duct connect? _______________________________ to the _______________________________ 3. What is the function of the gall bladder? _________________________________ 4. What is the function of bile? _________________________________ Page 3 Name: _________________________________ Date: __________________ Period: ____________ Page 4