Across
- 5. flow of blood, in, to, and from the heart
- 6. sending/receiving messages to the brain and body
- 8. bringing in oxygen
- 10. keeping your body healthy
- 12. covers your body and helps to protect it
Down
- 1. collect excess fluids and returns them to the body
- 2. helps you to move
- 3. makes, stores, and eliminates urine
- 4. dealing with any system that excretes waster
- 7. to break down food
- 9. helps support/protect your body
- 11. controls body functions using chemicals
