Across
- 2. roof of the mouth
- 6. breathing stops during sleep
- 8. airway that leads to the bronchi; "windpipe"
- 10. bony elements forming the upper nasal cavity
- 13. passageway for air moving from pharynx
- 14. air filled spaces in the skull
- 15. secretion formed by covering mucus membrane
- 18. disease which causes inflammation
- 22. a flap of tissue that seals off the windpipe
- 23. hollow nose space that filters and warms air
- 24. the cavity in the nose
- 25. the organ of smell
- 26. two short branches located at the trachea
- 28. keeps trachea stiff so it doesn't collapse
- 29. general term for lack of oxygen
- 31. part of brain controlling respiration
- 32. movement of air into the lungs
Down
- 1. divides nasal cavities in half
- 3. the act of expelling air from the lungs
- 4. connects the throat to the stomach
- 5. inflammation of the respiratory tract
- 7. cavity where lungs are located
- 9. childhood disease also known as whooping
- 11. small tubes that branch off the bronchi
- 12. disease that causes wheezing and tightness
- 16. the cavity in the mouth
- 17. structure containing respiratory system
- 19. the hairlike projections on cells
- 20. muscle involved in breathing
- 21. space at the back of the mouth and nose
- 27. the thin serous membrane around the lungs
- 30. two large organs inside the chest