Body Systems and Homeostasis

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Across
  1. 4. the 206 bones of the human body and the tissue that connects them
  2. 5. the 600 muscles that give the body the ability to move and bend are part of the
  3. 9. The blood, blood vessels and the heart
  4. 10. uses enzymes to break down food
  5. 12. organ that makes 1 or more substances
  6. 13. involves physical movement to make food smaller
  7. 14. body parts that perform a given function
  8. 17. make and send hormones throughout the body
  9. 18. consist of a single muscle cell
  10. 19. a group of cells with the same stucture and function
  11. 20. contains muscle fibers
  12. 21. the mouth, stomach and intestines are part of the
Down
  1. 1. an organism's ability to keep a constant internal environment
  2. 2. balance or equilibrium
  3. 3. the organs that eliminate waste products from the human body
  4. 6. the smallest blood vessels,,
  5. 7. the organs, glands and other structures that allow an organism to produce offspring
  6. 8. responsible for controlling the entire body
  7. 11. special chemicals made by the endocrine system
  8. 15. carry blood away from the heart
  9. 16. carry blood back toward the heart