Knowledge Aquisition

3. / is the first part of the small intestine.
5. / the concentrated waste material.
8. / is an enzyme that acts in starch.
9. / during this, enzymes break down food into the small molecules the body can use.
11. / provides nutrients in adequate amounts and enough energy for a person to maintain a healthful weight.
14. / converts food into small molecules that can be used by the cells of the body.
17. / the study of food and its effects on the body
18. / breaks proteins into smaller polypeptide fragments.
20. / is a large muscular sac that contains the chemical and mechanical digestion of food.
21. / phase in which materials such are cellulose are eliminated from the body as feces.
23. / assists the pancreas in fat digestion.
24. / it is just behind the stomach.

1. / mixture of enzymes and partially-digested food.
2. / helps to moisten the food and make it easier to chew.
3. / second step in the digestive system.
4. / organic molecules that the body needs in very small amounts are called vitamins.
6. / provide general and specific information about a product.
7. / is the physical breakdown of large pieces of food into smaller pieces.
10. / inorganic nutrients that the body needs, usually in small amounts.
12. / prepares waste for elimination.
13. / contractions of smooth muscles.
15. / is the process of putting food into your mouth.
16. / tube through which the bolus passes into the stomach.
19. / are fingerlike projections.
22. / molecules are absorbed by cells in the small intestine in this phase.