Across
- 2. recieves both food and air from the mouth and opens into the esophagus and larynx
- 6. upper portion of nasal cavity
- 8. brings tears to the nose
- 11. windpipe
- 14. the throat
- 15. lowest cartilage of the larynx, assists in opening airway
- 16. a flap of cartilage that closes the trachea during swallowing
- 17. branch at the carina into main bronchi branches
- 19. drain into the nasal cavities, lightens skull, warms the air.
Down
- 1. smallest branches of bronchi
- 3. behind the oral cavity; receives both food and air from the mouth
- 4. spongy organs
- 5. voicebox; routes food and air into the proper tube
- 7. membrane surrounding lungs that helps limit friction
- 9. protect the body from bacterial infections
- 10. lined with mucous and cilia
- 12. adam's apple
- 13. drains the middle ear and equalizes pressure
- 18. air sacs at the end of the bronchioles
- 20. entrance to the nose