Respiratory System

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Across
  1. 3. type of diffusion in gas exchange
  2. 4. traps incoming material
  3. 9. the larger bronchi
  4. 11. lumen of the larynx
  5. 13. Cartilage, creates Adam's Apple
  6. 14. separates the oral and nasal cavities
  7. 17. Sinuses, act as resonance chambers for speech
  8. 18. division of the trachea
  9. 20. subdivisions of bronchi
  10. 21. also known as the throat
  11. 23. pleural on the the surface of each lung
  12. 24. in trachea and propels mucus
Down
  1. 1. small conduits of the bronchioles
  2. 2. gag reflex in the center
  3. 5. food passageway posterior to the trachea
  4. 6. occupy entire thoracic cavity
  5. 7. pleural lining the thoracic cavity
  6. 8. essential for normal breathing
  7. 9. Zone, site of gas exchange
  8. 10. the only external structure
  9. 12. known as the voice box
  10. 15. "gate keeper"
  11. 16. known as the windpipe
  12. 19. clusters of lymphatic tissue
  13. 22. nerve stimulating the diaphragm