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