Across
- 2. This type of bone protects vital organ
- 9. This flexes when the arm is straight
- 10. Exchange of gases
- 11. A nerve
- 12. Gives you structure
- 13. This type of bone supports the body
- 14. The respiratory takes this in
Down
- 1. The respiratory releases this
- 3. Helps you move
- 4. This flexes when the arm bends
- 5. A flat bone is _____ but a round bone is not
- 6. Senses changes in the environment
- 7. Insulates the body
- 8. Muscle found in the heart
- 12. Biggest organ in the integumentary system