Across
- 4. contains oxygen
- 9. is the only reason you can move
- 10. takes care of your hair and skin
- 11. is your nose bone
- 12. makes organs
- 15. the done that protects the lungs and heart
- 16. helps you move
- 18. whole reason is to reproduce
- 20. has bone marrow in the system
- 21. system that gets rid of waste
- 23. the heart is a
- 24. the largest bone
Down
- 1. the basic unit of life
- 2. a system of organs
- 3. makes tissue
- 5. system a group of organs that work together
- 6. is the main organ in the respiratory system
- 7. the largest organ in the nerve system
- 8. the system that uses acid to get rid of food
- 13. the bone that protects the brain
- 14. produces hormones
- 17. is the brideg of the brain
- 19. largest organ in the circulatory system
- 22. sends singles to the brain