The skeletal system

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Across
  1. 4. the end of a bone
  2. 7. the bony point on the shoulder
  3. 9. a major function of the skeleton
  4. 12. this bone is spongy
  5. 13. this joint allows 180 degree of movement only
  6. 14. the collar bone
  7. 15. ball and socket joints allow this movement
  8. 16. this fluid is found in a joint and helps reduce friction
  9. 17. allows turning of a structure in this joint, example the neck
  10. 18. connects bone to bone
  11. 20. the cranium is part of this part of the skeleton
  12. 21. bending movement that occurs in a hinge joint
  13. 23. these bones are longer than they are wide
Down
  1. 1. this area of the spine has the largest vertebrae
  2. 2. this produces red blood cells
  3. 3. the skin of a bone where tendons and ligaments connect
  4. 5. the shoulder blade
  5. 6. a function of the skeleton involving minerals
  6. 8. this are of the skeleton is responsible for movement
  7. 10. the big shin bone
  8. 11. shorts bones such as tarsals form these joints
  9. 12. provides a smooth surface on the end of the bone
  10. 16. joint found in the thumb
  11. 17. the knee cap
  12. 19. connects muscle to bone
  13. 22. these bones are relatively thin and provide protection