Across
- 2. Your heart pumps ---
- 3. carries the blood to your heart
- 5. pumps blood throughout the body
- 8. An artery carries blood --- from the heart
- 9. You breathe --- carbon dioxide
- 10. a tiny blood vessel
- 11. organs that help you breathe
Down
- 1. You breathe out carbon ---
- 4. a tube that carries the air to your lungs
- 6. carries blood away from the heart
- 7. The trachea is a ---
- 9. Lungs are --- that help you breathe