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7. Which of the following is produced by the liver? A. amylase B. bile C. pepsin D. renin 8. Which organ stores bile and pumps it into duodenum? A. appendix B. colon C. gall bladder D. pancreas 9. What is the result of chemical digestion of carbohydrates? A. amino acid B. bile C. fatty acids D. simple sugars 10. Where does absorption of nutrients mostly occur? A. stomach B. small intestine C. large intestine D. all the above 11. What aids the passage of food through the digestive tract? A. pull from the anus B. chemical absorption C. movement of the cilia D. wavelike muscle contractions 12. What is the main work of the digestive system? A. fights disease B. regenerates cells C. breaks down food D. distributes energy throughout the body 13. Which of the following is the correct order of the digestive tract? A. mouth rectum esophagus → rectum anus → small intestine large intestine B. mouth → stomach → esophagus → rectum anus → small intestine -large intestine C. mouth - esophagus → stomach → small intestine → large intestine rectum - anus D. mouth → esophagus stomach - small intestine - anus large intestine - rectum

          7. Which of the following is produced by the liver? A. amylase B. bile C. pepsin D. renin 8. Which organ stores bile and pumps it into duodenum? A. appendix B. colon C. gall bladder D. pancreas 9. What is the result of chemical digestion of carbohydrates? A. amino acid B. bile C. fatty acids D. simple sugars 10. Where does absorption of nutrients mostly occur? A. stomach B. small intestine C. large intestine D. all the above 11. What aids the passage of food through the digestive tract? A. pull from the anus B. chemical absorption C. movement of the cilia D. wavelike muscle contractions 12. What is the main work of the digestive system? A. fights disease B. regenerates cells C. breaks down food D. distributes energy throughout the body 13. Which of the following is the correct order of the digestive tract? A. mouth rectum esophagus → rectum anus → small intestine large intestine B. mouth → stomach → esophagus → rectum anus → small intestine -large intestine C. mouth - esophagus → stomach → small intestine → large intestine rectum - anus D. mouth → esophagus stomach - small intestine - anus large intestine - rectum

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