Skeletal System

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Across
  1. 3. twelve pairs of bones that surround the heart and lungs
  2. 6. lateral bone of the lower leg
  3. 8. tough membrane on the outside of bone
  4. 13. breastbone
  5. 14. lower arm bone on thumb side
  6. 17. thigh bone
  7. 18. bones that form the extremities
  8. 20. area where cranial bones have joined together
  9. 22. two bones that form the pelvic girdle
  10. 24. anklebone
  11. 25. material inside the medullary canal
  12. 26. area where two or more bones join together
Down
  1. 1. connective tissue band that holds bones together
  2. 2. an extremity or end of bone
  3. 4. membrane that lines the medullary canal
  4. 5. air spaces in the bones of the skull
  5. 7. bones that form the main trunk of the body
  6. 9. eight bones that surround and protect the brain
  7. 10. Twenty-six bones of the spinal column
  8. 11. upper arm bone
  9. 12. medial bone of the leg
  10. 15. long shaft of bones
  11. 16. larger bone of lower arm
  12. 19. shoulder bone or shoulder blade
  13. 21. material found in some bones that produces blood cells
  14. 23. wrist bone