Across
- 4. Type 1 Cells.
- 5. Tiny balloon like expansions.
- 7. Branches into Bronchioles.
- 9. The throat.
- 10. Type 2 Cells.
- 13. Air flows through these three pairs of lobe-like structures.
- 14. Continuous branching of respiratory passageways.
- 17. Lies posterior to nasal cavity.
- 19. Windpipe.
Down
- 1. Flexible elastic cartilage that forms a lid over larynx when you swallow.
- 2. The role of this system is to provide the body with oxygen.
- 3. Passageway divides into left and right lungs.
- 4. Enables bronchioles to provide resistance to air flow.
- 6. Lies posterior to upright epiglottis and extends to larynx.
- 8. Voice box.
- 11. C-shaped cartilage.
- 12. Lies posterior to oral cavity.
- 15. This cartilage prominence is called the Adam's apple.
- 16. Each lung has 5 of these bronchi.
- 18. Air enters this cavity.