Across
- 2. skeleton connects to spine
- 3. holds bones to bones
- 5. holds muscle to bone
- 10. basic unit of life
- 11. organs work together
- 13. can control
- 15. body regulates itself
Down
- 1. muscle heart
- 4. skeleton does not connect to spine
- 6. muscle organs
- 7. cells work together
- 8. can't control
- 9. muscle attached to bone
- 11. tissues work together
- 12. system supports and protects
- 14. bone smooth outer layer