Across
- 2. Letting the air pass through speech production.
- 4. Carries out O2-CO2 gas exchange.
- 8. Allows air to enter the left lung.
- 9. Way for air to enter the body.
- 10. Keeps food from entering the airways.
- 12. Helps pump the lung.
- 14. Protects the respiratory organs.
- 15. Site for O2-CO2 exchange.
Down
- 1. Helps keep the lungs visible.
- 3. Lets air reach the alveoli.
- 5. Moves the ribs during breathing.
- 6. Lets air and food the enter.
- 7. Purifies, humidfies the air
- 11. Channels the air toward the left/right bronchi.
- 13. Channels the air down the air ways.