BIOLOGY CROSSWORD

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