Knowledge Acquisition Activity

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Across
  1. 1. Enzyme that breaks down proteins into smaller polypeptide fragments.
  2. 6. Mixture of enzymes and partially-digested food.
  3. 8. Organ in the digestive system that removes water from the undigested material that passes through it.
  4. 12. Process by which enzymes break down food into small molecules that the body can use.
  5. 13. Amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius.
  6. 15. Mineral used for maintenance of bone and tooth structure.
  7. 16. Group of cells that perform a single function.
  8. 17. Physical breakdown of large pieces of food into smaller pieces.
  9. 24. Organ system that recognized and coordinates the body's response to changes in its internal and external environments.
  10. 26. Large muscular sac that continues the mechanical and chemical digestion of food.
  11. 27. Group of different types of tissues that work together to perform a single function or several related functions.
  12. 28. Type of nutrient that protects body organs, insulates the body, and stores energy.
  13. 30. Contractions of smooth muscles that provide the force that moves food through the esophagus toward the stomach.
Down
  1. 2. Organ system that controls growth, development, and metabolism.
  2. 3. Enzyme in saliva that breaks the chemical bonds in starches.
  3. 4. Process in which a stimulus produces a response that opposes the original stimulus.
  4. 5. Digestive organ in which most chemical digestion and absorption of food takes place.
  5. 7. Provides nutrients in adequate amounts and enough energy for a person to maintain a healthful weight.
  6. 9. Type of tissue that lines the interior and exterior body surface.
  7. 10. The most important nutrient.
  8. 11. The basic unit of structure and function in living things.
  9. 14. Organ system that supports the body.
  10. 17. Inorganic nutrient the body needs, usually in small amounts.
  11. 18. Compound made up of carbon, hydrogen, and oxygen atoms, and it is the major source of energy for the body.
  12. 19. Nerve impulses are transmitted throughout the body by this type of tissue.
  13. 20. Mineral used for bone and tooth formation.
  14. 21. Organ system that helps protect the body from disease.
  15. 22. Tube connecting the mouth to the stomach.
  16. 23. Macromolecule needed by the body for growth and repair.
  17. 25. Organic molecule that helps regulate body processes.
  18. 29. Fingerlike projection in the small intestine that aids in the absorption of nutrient molecules.