Across
- 2. intestine When chyme leaves the small intestine, it enters in the
- 3. digestion Enzymes break down food into the small molecules the body can use
- 8. Are absorbed through the walls of the small intestine
- 9. Breaks down fat
- 11. system Eliminates waste products from the body
- 15. Breaks up the globs of fat into smaller droplets that disperse in the watery environment
- 16. Equal to 1000 calories
- 17. From the throat, the bolus passes through a tube called
- 19. Describes the relatively constant internal physical and chemical conditions that organisms maintain despite changes in internal and external environments
- 22. Breaks down dipeptides into amino acids
- 23. Continues the breaks down of protein
- 25. Inhibition Is the process in which a stimulus produces a response that opposes the original stimulus
- 26. Breaks proteins into smaller polypeptide fragments
- 27. intestine It is where almost all of the digestive enzymes enter the intestine
- 28. The digestive system cannot digest and absorb all the substances in food that enter the body
- 29. Supply raw materials for growth and repair of structures such as skin and muscle
- 30. system Produces gametes; in females, nurtures and protects developing embryo
- 32. sphincter Closes after food passes into the stomach
- 36. Covered with tiny projections known as microvilli
- 37. As the teeth cut and grind the food, the salivary glands secrete
- 38. Molecules in food contain chemical energy that cells use to produce
- 39. Is a large muscular sac that continues the chemical and mechanical digestion of food
- 41. Is a small saclike organ called
- 42. Organic molecules that the body needs in very small amounts are called
- 47. Saliva contains an enzyme called
- 49. Group of different types of tissues that work together to perform a single function or several related functions is called
Down
- 1. Is the basic unit of structure and function living things
- 4. Tissue The tissue that lines the interior and exterior body surfaces is called
- 5. system Helps protect the body from disease
- 6. Is technically part of the digestive system because it produces bile
- 7. The fingerlike projections called
- 10. digestion The physical breakdown of large pieces of food into smaller pieces
- 12. Major source of energy for the body.
- 13. Once food has been broken into small molecules, it can be absorbed by cells in the small intestine.
- 14. System Breaks down food; absorbs nutrients; eliminates wastes
- 18. Naturally, the first step in digestion is getting food into the system
- 20. The most important nutrient
- 21. Are anchored in the bones of the jaw
- 24. Provide the force that moves through the esophagus toward the stomach
- 29. Its a gland that serves three important functions
- 31. diet Provides nutrients in adequate amounts and enough energy for a person to maintain a healthful weight
- 33. Is the amount of the heat needed to raise the temperature of 1 gram of water by 1 degree Celsius
- 34. As food passes through the digestive system
- 35. Inorganic nutrients that the body needs, usually in small amounts, are called
- 40. Group of cells that perform a single function is called
- 43. You take a forkful food into your
- 44. Tissue Nerve impulses are transmitted throughout the body by
- 45. Mixture with an oatmetal-like consistency called
- 46. Help the body to absorb fat-soluble vitamins and are a part of cell membranes, nerve cells, and certain hormones
- 48. Supplies raw materials your body needs to build and repair tissues