Digestive System

2. a protein-digesting enzyme produced in the stomach
5. a tubular structure that is around 1.5 m.
7. shortest part of the small intestine
9. breaks down and digests food to extract nutrients from food
11. Opens esophagus so food can pass through into the gastrointestinal tract, prevents choking of food
12. extracting of nutrients from food, in small intestine
13. an exchange surface area that allows food to pass through for 6-8 hours
17. transmits useless waste material from the body
19. enzyme produced in the stomach; only work at a pH level of 1
21. elongated organ that produces important enzymes and hormones that help break down foods

1. Catalyzes breakdown of starch via hydrolysis reaction
3. the taking in of food
4. type of digestion conducted by enzymes
6. Catalyzes breakdown of lipids via hydrolysis reaction
8. a pear-shaped, hollow structure located under the liver and on the right side of the abdomen
10. Keeps mouth and other parts of the digestive system moist
14. a protein-digesting enzyme produced in the pancreas
15. carries food, liquids, and saliva from the mouth to the stomach
16. type of digestion conducted by teeth and muscles of the digestive system
18. a main component of mechanical digestion
20. removal of undigested food