Across
- 1. hard smooth layer protects tissue
- 3. has a weird shape
- 6. kneecaps
- 7. protects your lungs and heart
- 8. squat cube shape
- 11. feet bone
- 13. collar bone
- 16. cells that maintain bone tissue by controlling the mineral and calcium content
- 18. cells that build bone tissue
- 20. lets bone be strong and light weight
- 22. protects your brain
Down
- 2. hand bones
- 4. used for clotting
- 5. feet bone
- 7. carry oxygen a round the body
- 9. make up the body's immune system
- 10. cells that break down old bone tissue
- 12. shin bone
- 14. feet bone
- 15. hip bone
- 17. bones with a long thin shape
- 19. thigh bone
- 21. flattened and broad surface