Across
- 3. helps bones move
- 6. major organ in the respoirtory system
- 7. part of the major organ in the skeletal system
- 10. letting out Co2/taking in oxygen
- 12. endocrine system
- 15. transport oxygen through out the body
- 17. connects muscle
- 18. part of the circulatory
- 19. heart skeletal muscle
- 20. the number of body systems
Down
- 1. integomentary system protects what
- 2. protects internal organs
- 4. send messages to the brain
- 5. gets rid of wast
- 8. breakes down food
- 9. helps send messages to the body
- 11. helps with the digestive system
- 13. helps get rid of wast
- 14. made in the bones
- 16. integumentary maintains......