Across
- 3. – shaft of a long bone
- 6. – stem cell that becomes osteoblast
- 10. – mineral stored in bones
- 11. – smooth tissue at the ends of bones
- 13. – cavity containing yellow marrow
- 14. – bone-forming cell
- 15. – limbs and girdles
Down
- 1. – lightweight inner bone tissue
- 2. – ends of a long bone
- 4. – outer covering of bone
- 5. – mature bone cell
- 7. – dense outer bone layer
- 8. – bone-destroying cell
- 9. – tissue inside bones that produces blood cells
- 12. – part of skeleton with skull, ribs, spine
