The Skeletal System

12345678910111213141516171819202122
Across
  1. 3. facial bones
  2. 6. in shaft and ends of long bones, contains bone marrow space
  3. 9. develops from "wear and tear" on the joints
  4. 10. attach bones to muscle
  5. 12. only in ends of long bones
  6. 15. protect lungs, heart (chest cavity)
  7. 17. mature bone cells that maintain the structure of bone
  8. 18. intervertebral disks between vertebrae3
  9. 20. fibers of collagen in a gel-like ground substance
  10. 21. bone-forming cells
Down
  1. 1. forms embryonic structure, which later forms bone
  2. 2. attach bones to other bones
  3. 4. connective tissue covering of bone
  4. 5. changes in bone shape, size, strength
  5. 7. provides support under pressure
  6. 8. deposit new cartilage at the outer surface
  7. 9. the cellular arrangement found in compact bone
  8. 11. excessive bone loss
  9. 13. depends on balance of osteoblast and osteoclast
  10. 14. flexible
  11. 16. cells that remove bone (resorption)
  12. 19. inflammation of joints
  13. 22. hard elements of the skeleton; specialized connective tissue