Respiratory System

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