Across
- 1. organ that helps to get rid of toxins in the body
- 5. organ that helps to digest food
- 6. breathing in air
- 9. protects the heart and lungs
- 10. organ that helps to filter the blood
- 11. the system that helps the body move
- 12. breathing out air
- 16. the system that helps support the body
Down
- 2. the system that helps take in air
- 3. blood vessels with no oxygen
- 4. muscle that helps us to breath
- 7. system that breaks down food
- 8. protects the brain
- 13. transfers oxygen to the blood in the lungs
- 14. blood vessels with oxygen
- 15. helps to pump blood around the body