Across
- 4. breaks down your food
- 6. this system is your skin
- 9. contains glands that release hormones
- 11. this system moves blood throughout your body
- 12. heart muscle
- 13. provides controls automatic and voluntary movement
Down
- 1. carries lymph throughout your body
- 2. main job is to fight disease
- 3. this system contains millions of alveoli
- 5. kidney, ureters, bladder are important organs of this system
- 7. contains joints, tendons, ligaments
- 8. supports, protects the body
- 10. controls body with electrical signals