Across
- 1. Our skin is our bodies ___ line of defense
- 6. Largest organ in the body
- 7. Muscles that surround our bones
- 9. Bone Marrow that is mostly fat cells
- 11. System that is our skin, hair and nails
- 12. How long it can take bones to heal
- 13. Muscles that work our organs
- 17. Muscles that make our blood pump (heart)
- 18. Muscles that move when you want them to
- 19. Layer of our skin that holds fat cells
Down
- 2. The system that includes bones, tendons and ligaments
- 3. Layer of skin that is most outside
- 4. What mineral our bones are mostly made of
- 5. Thickest layer of skin, has veins and arties
- 8. Glands that make our body sweat to help body temperature
- 10. Muscles that move without telling them to
- 14. The system that has all our muscles
- 15. Bone Marrow produces red and white blood cells
- 16. What is between joints to be less painful