Across
- 3. immature bone cells
- 4. a loss of bone mass
- 6. substance in the middle of long bones
- 7. considered the shaft of the bone
- 10. process of bone development
- 15. a membranous tissue that covers the surfaces of your bones
- 16. a condition characterized by abnormally low levels of calcium
- 19. the created balance in bones
- 20. Bones in chest that protect internal organs
Down
- 1. microscopic canals between the lacunae of ossified bone
- 2. in a growing bone, the region that contains the growth plate
- 5. where 2 bone surfaces come together
- 8. what the skeletal system consists of
- 9. a flexible collagen tissue attaching a muscle to a bone
- 11. shortest bone in the body
- 12. longest bone in the body
- 13. protects the brain
- 14. as mineral salts are deposited in the collagen fiber framework, they crystallize and the tissue hardens
- 17. membrane lining the medullary cavity
- 18. A hormone that promotes osteoblastic activity and the synthesis of bone matrix