Human Body Systems

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Across
  1. 3. the main organ of the respiratory system
  2. 4. the bone that protects the brain
  3. 7. a change within the organism
  4. 8. change which alters matter without changing its chemical composition or the identity of the substance
  5. 9. controls your hormones
  6. 12. the most important organ in the circulatory system
  7. 14. produces offspring
  8. 15. the largest bone
  9. 16. the body's ability to keep the internal balance of the body stable
  10. 17. a push or pull that can change the position or motion of an object
  11. 21. protects major organs
  12. 23. a group of tissues make a
  13. 24. a group of cells make
  14. 26. the bone that protects the heart and lungs
Down
  1. 1. a group of organ systems make a
  2. 2. Responsible for movement
  3. 5. the important organ of the nervous system
  4. 6. the system that breaks down food
  5. 10. the system that helps you think
  6. 11. a group organs make a
  7. 13. what system removes waste from the body
  8. 18. a change in the position of an object
  9. 19. the funny bone
  10. 20. the basic unit of life
  11. 22. balanced;unchanging
  12. 25. the largest organ