Across
- 1. The upper respiratory tract starts with the ____
- 4. Opening between the true vocal cords
- 10. Another name for trachea
- 11. Has 20 C-shaped cartilage rings
- 12. Bronchi, blood and lymphatic vessels pass through this area of the lungs
- 13. A cartilage of the larynx
- 14. The location of vocal cords
- 16. Mucus membrane of nasal cavity ______ the air
Down
- 2. Allows the cartilage rings of trachea to expand when swallowing
- 3. Oropharynx is a passageway for ____
- 5. The left lung has a superior and _____ lobe
- 6. Another name for the larynx
- 7. Oropharynx is a passageway for ____
- 8. Another name for breathing
- 9. Has walls of simple squamous epithelium
- 15. Nasal pharynx is a passageway for _____