Across
- 2. Contracts and flattens and the chest
- 3. Acts as a passage way to enter the larynx and lugs
- 4. Moistens and warms air
- 7. A tube extending down
- 8. Filters the air
- 9. Exchanges oxygen and carbon dioxide while breathing
- 12. Protects the lower respiratory track from aspirating food into the trachea while breathing
- 13. An external opening
- 14. allows air into the larynx and the lungs
Down
- 1. carry air into your lungs
- 5. brings the air to the lungs
- 6. a tube leading from the larynx to the main bronchi
- 7. Allow passage of inspired and expired air into and out of the lung
- 10. contains vocal cords
- 11. origin that contains air