Across
- 3. The lower portion of the pharynx
- 4. The two major air passageways
- 6. The passage that leads from the cavities of the nose and mouth to the larynx
- 7. Muscular organ that holds the vocal cords
- 12. The system that contains the organs which take in oxygen and carbon dioxide
- 13. The upper portion of the pharynx
- 14. The "wind pipe" that connects to the larynx
- 15. Air sacks
- 16. A flap of elastic cartilage attached to the larynx
Down
- 1. What humans breathe in
- 2. The middle portion of the pharynx
- 5. An example of a short term respiratory disease
- 8. An example of a chronic respiratory disease that requires an inhaler
- 9. Smallest air passageways
- 10. The muscle that pushes up against the lungs as we exhale, and relaxes to allow lungs to expand when we inhale
- 11. What humans breathe out