Skeletal and Muscular System

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Across
  1. 5. bone that the leg bones attach to
  2. 6. number of bones in the body
  3. 8. the spine is made of these
  4. 10. estimated number of muscles in the body
  5. 13. bone that protects the brain
  6. 14. the muscles that connect to bones
  7. 15. bones are filled with this
  8. 16. bone that protects the spinal cord
  9. 19. muscles that are controlled by choice
  10. 20. mineral that makes bones strong
  11. 21. bone that protects the lungs and heart
  12. 22. the skeletal system protects these
Down
  1. 1. the muscular system helps the body do this
  2. 2. the tissue that connects muscle to bones
  3. 3. the skeletal system is made of these
  4. 4. arm bone that connects to shoulder
  5. 7. muscles are made of group of these
  6. 9. when muscles stretch out
  7. 11. bones are made of this
  8. 12. longest bone in the body
  9. 13. the muscles that are located in hollow organs
  10. 17. muscles that move without thinking
  11. 18. the muscles that push blood throughout the body
  12. 20. when muscles bunch up