Across
- 5. lubricate skin and hair
- 8. Includes the skull,column, ribs, and the sternum
- 9. The second layer of skin
- 11. cells in fetal cartilage develop into bone farming cells
- 17. Provides strength and protection
- 18. Tough bands of connective tissue that attach one bone to another
- 19. hair cells grow out of narrow cavities in the dermis
- 20. Outer superficial layer of skin
Down
- 1. Made of spongy bone that surrounds the fracture
- 2. Mostly made of fat and contains stem cells
- 3. Includes the bones of the shoulders, arms, hands, legs and feet
- 4. Bones require different amount of time to heal
- 6. Break down bone cells
- 7. contains blood stem cells
- 10. "The body's natural painkillers"
- 12. Living bone cells
- 13. A protein when waterproofs and protects the cells and tissue that lie underneath
- 14. The formation of bone from osteoblasts
- 15. Less dense and has many cavities that contain bone marrow
- 16. A pigment that absorbs light energy which protects deeper cells from the damaging effects