Across
- 3. serves as a second airway for breathing
- 5. makes air moist before it enters into the lung
- 6. a passage way for gasses to enter the larynx
- 9. carries air into your left lung
- 10. helps you inhale and exhale
- 11. removes carbon dioxide from the air and moves air into the blood stream
Down
- 1. conducts air into the lungs
- 2. carries air into your right lung
- 4. transfers oxygen from the air into the blood stream
- 7. enables the entry and exit of gasses through the nasal cavity
- 8. allows air in and out of the lung
- 9. protects the lower respiratory tract from aspirating food