The skeletal system

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Across
  1. 4. skull
  2. 5. collar bone
  3. 7. bones that contain bone marrow
  4. 8. function of the skeletal system
  5. 9. bones that have extensive surfaces for muscles to attach
  6. 13. a place where two bones meet
  7. 14. Heel bone
  8. 16. bone of the lower arm
  9. 17. shoulder blades
  10. 19. longest bone of the body
  11. 20. attach bones to bones
  12. 21. knee cap
  13. 24. work in pairs with bones
  14. 25. Protects the hear
Down
  1. 1. Shin bone
  2. 2. Bones of the fingers
  3. 3. Bone of the skull
  4. 6. bones of the upper and lower extremities
  5. 10. attach muscle to bones
  6. 11. Bones fused at adolescents
  7. 12. Largest bone of the body
  8. 15. separates the bones of the skull
  9. 18. rubber like substance that protects bones
  10. 22. Bone in the neck that allows rotational movement
  11. 23. bone of the upper arm