body system

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Across
  1. 3. a group of cells
  2. 4. protects the heart and lungs
  3. 6. carries blood to the heart
  4. 8. movement
  5. 10. balance;unchanging
  6. 11. controls and coordinates the body
  7. 13. the main organ of the respiratory system
  8. 15. the largest organ
  9. 16. removes waste from the body
  10. 18. a group of systems working together
  11. 19. knee cap
  12. 21. a group of organs working together
  13. 24. it protects hormones
  14. 27. carries oxygen
  15. 28. breaks down food
Down
  1. 1. the funny bone
  2. 2. part of the nervous system used for smelling
  3. 5. a change within he organism
  4. 7. largest organ of the nervous system
  5. 9. collects body fluid
  6. 10. supports the body
  7. 12. a nerve tissue that runs from the base or the body to the skull down to the back
  8. 14. a push or pull that can change the position or motion of an object
  9. 17. produces offspring
  10. 20. the body ability to keep the internal balance of the body stable
  11. 21. is a group of tissues
  12. 22. tube that has an internal diameter of hairlike thinness
  13. 23. carries blood away from the heart
  14. 25. protects the brain
  15. 26. a change in the position of an object