Digestion & Nutrition

1. Digestion & Nutrition Chapter 11 - Test Review

2. Write down the letter of the correct answer. (Check your work) 1. The clear liquid that moistens the food in the mouth and begins digestion is called__________. a. chyme b. gastric juices c. saliva d. bile

3. Write down the letter of the correct answer. (Check your work) 2. Gastric juices in the stomach help break down food into a liquidlike mixture called__________. a. saliva b. protein c. bile d. chyme

4. Write down the letter of the correct answer. (Check your work) 3. The squeezing movements of muscles in parts of the digestive tract are called__________. a. peristalsis b. sphincters c. enzymes d. proteins

5. Write down the letter of the correct answer. (Check your work) 4. Nutrients from food are absorbed into the blood as chyme passes through the__________. a. pancreas b. liver c. large intestine d. small intestine

6. Write down the letter of the correct answer. (Check your work) 5. The__________ produces insulin and makes enzymes that break down food. a. gallbladder b. pancreas c. liver d. small intestine

7. Write down the letter of the correct answer. (Check your work) 6. The__________ stores excess bile and releases it when needed. a. liver b. pancreas c. large intestine d. gallbladder

8. Write down the letter of the correct answer. (Check your work) 7. The__________ produces bile and filters wastes from the blood. a. pancreas b. small intestine c. liver d. large intestine

9. Write down the letter of the correct answer. (Check your work) 8. __________ are used to build and repair the body. a. Carbohydrates b. Fats c. Proteins d. Villi

10. Write down the letter of the correct answer. (Check your work) 9. The mixture in the stomach that helps break down food is called__________. a. chyme b. fats c. peristalsis d. gastric juices

11. Complete the sentence. (Check your work) Tongue 10. The ____________ pushes food around in the mouth and allows food to be tasted. 11. The ring of muscles that control an opening is know as a ______________. 12. The _______________ connects the throat to the stomach Sphincter Esophagus

12. Complete the sentence. (Check your work) Teeth 13. ________tear and crush food into small pieces. 14. The _____________ is a flap of tissue that closes to keep food out of the trachea. 15. The____________ is a stretchy storage bag in the digestive tract. Epiglottis Stomach

13. True or False True • _______ 16. Digestion is the process of breaking down food into forms the body can use. • _______ 17. Fingerlike structures that line the small intestine are called villi. • _______ 18. Exercise is not necessary for good health. True False

14. True or False True • _______ 19. The food pyramid shows the different kinds of food you should eat daily. • _______ 20. Special clusters of cells on the tongue that react to chemicals in the food are called chyme. • _______ 21. The stomach works on food both mechanically and chemically. False True

15. Complete • 22. Name the four basic tastes. Sweet Sour Salty Bitter

16. Complete • 23. Name four of the six nutrients your body needs. Proteins Fats Carbohydrates Vitamins Minerals Water

17. Label the parts of the Digestive System