Gym

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