Gym

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Across
  1. 4. controlled by nervous system
  2. 6. breathes in and out
  3. 11. carries oxygen nutrients and hormones
  4. 12. the nerves
  5. 14. Moves air through our body
  6. 16. have horizontal fibers in a microscope
  7. 17. Made up of the central and peripheral
  8. 18. protects brain and forms our head shape
  9. 20. what protein is in bones
  10. 24. the main part of the circulatory system
  11. 25. carries blood back to the heart
Down
  1. 1. help hold the skeleton together
  2. 2. The messager in the body
  3. 3. carries blood away from heart
  4. 5. pull joints allowing for us to move
  5. 7. brain and spinal
  6. 8. controls the body
  7. 9. found in the heart
  8. 10. carries oxygen to the cells
  9. 13. protects the lungs and heart
  10. 15. chest cavity
  11. 19. hold our weight
  12. 21. the voice box
  13. 22. where the air enters
  14. 23. has nerves branching out and is 18 inches long