skeletal system

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Across
  1. 2. upper leg femur
  2. 4. bone: in the shaft and end of a long bone, contains marrow space
  3. 6. attached muscle bone
  4. 8. forms the embryonic structure, which later forms bone.
  5. 11. attached to the bone is a synovial joint
  6. 12. bone: only at the end of the long bone
  7. 14. inflammation of a joint
  8. 15. excessive bone loss
Down
  1. 1. bone-forming cells.
  2. 3. inhibit the bone-resorbing osteoporosis
  3. 5. adequate calcium and vitamin D
  4. 7. specialized connective tissue
  5. 9. upper arm
  6. 10. airspace within several cranial and facial bones
  7. 13. protect lungs and heart