Across
- 2. Bones that connect to spine
- 3. Organs
- 4. Cells work together
- 8. Can control
- 9. Holds muscle to bone
- 10. Smooth outer layer of bone
- 12. Body regulates itself
- 14. Can't control
Down
- 1. Heart
- 3. System that supports and protects
- 5. Attached to bones
- 6. Holds bones to other bones
- 7. Organs work together
- 11. Level 1 of organization
- 13. Tissues work together
- 15. Bones that do not connect to spine