Across
- 3. skeleton that does not connect to spine
- 4. don't control
- 7. bone that has a smooth outer layer
- 10. body regulates itself
- 12. hold muscle to bone
Down
- 1. can control
- 2. muscle heart
- 3. skeleton that connects to spine
- 5. holds bones to bones
- 6. muscele organs
- 8. cells work together
- 9. organs work together
- 11. body system that supports and protects