Across
- 1. a clot around the site of the fracture
- 5. one fragment is driven into the other; compressed
- 7. occurs straight across the long axis of the bone
- 10. reabsorbs calcium by the kidney tubes
- 11. controls bone growth
- 12. only one side of the bone is broken
- 13. abnormal low levels of calcium
- 16. absorbs calcium into circulation
- 17. breakdown of bone extra cellular matrix
- 18. occurs at an angle that is not 90 degrees
- 19. growth spurts; estrogen, testosterone
Down
- 2. bone building cells
- 3. several breaks; many small pieces between large segment
- 4. bone is pulled apart in twisting motion
- 6. blood vessels
- 8. red bone marrow
- 9. synthesis of bone matrix
- 14. exchange nutrients & removal of waste from blood
- 15. a broken bone