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HS 20 - Weir The Digestive System Worksheet Part A: Fill in the missing words using the following word bank: appendix mouth nutrients colon muscle hydrochloric acid small intestine broken chyme esophagus anus saliva gall bladder 1. 2. 3. 4. 5. 6. 7. Digestion begins in the ___________________. The _____________________ connects the mouth to the stomach. In the mouth food is chewed and mixed with __________________. Food contains ___________________ which all living things need for survival. From the stomach food then passes to the _______________________________________. When digestion occurs the food is being ___________________ down. In the stomach the food is digested by a combination of _____________________________ and ________________ contractions. 8. The food is broken down into a semi-fluid called ________________ 9. The food does not actually move through the _____________________________ or the ________________________________. 10. Undigested food is stored in the ____________ and passes out the body through the ________. Part B: Draw a line from the words to their correct definitions: 1. 2. 3. 4. 5. 6. 7. 8. 9. Mouth Liver Sailvary Glands Bile Stomach Esophagus Gall bladder Pancreas Duodenum a. b. c. d. e. f. g. h. i. Some digestion and storage takes place; leads into the intestine Pushes food into stomach Takes food into the body; chews food into small pieces Substance important in the digestion of lipids(fat) Large organ that produces bile First part of the small intestine leading from the stomach Open into the mouth and produce saliva Responsible for the production of digestive juices and insulin Structure near the liver that stores bile Part C: Write the correct name of each structure: Word Bank: Mouth rectum stomach Small intestine gall bladder salivary glands liver large intestine anus pancreas appendix esophagus Part D: Circle the correct answer for each question 1. The liver is a) An organ that produces insulin b) Part of the large intestine c) An organ that produces bile d) A part of the duodenum 2. The appendix… a) Is part of the stomach b) Is continuous with the esophagus c) Produces insulin d) Has no known function 3. The stomach… a) Produces pepsin b) Produces bile c) Produces Hydrochloric acid d) Both a and c 4. Swallowing is a) Not possible while lying down b) Possible when the body is in any position c) Not possible while standing on your head d) Only possible when sitting at a table 5. Bile salts are known to break down: a) Carbohydrates b) Fats c) Proteins d) Sugars 6. Which of the following is NOT a step in the process of digestion: a) Egestion b) Ingestion c) Exergestion d) Absorption 7. The protein digesting enzyme produced in the stomach is called: a) Insulin b) Pepsin c) Hydrochloric acid d) Peptide 8. The tube that is the passage way for food that runs the length of the digestive system is called the: a) Gasto Canal b) Gastrointestinal Tract c) Gastrointestinal Tube d) Esophagus 9. The first step of digestion occurs in the __________. a) Stomach b) Duodenum c) Small intestine d) Mouth 10. A break in the mucus layer protecting your stomach could result in: a) An ulcer b) A bacterial infection c) A lack of oxygen reaching the body tissues d) Your stomach will digest itself