Respiratory System

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Across
  1. 5. the region posterior to your oral cavity
  2. 6. the muscle that is mainly responsible for breathing
  3. 8. the "wind pipe"
  4. 10. the volume that can be forcibly exhaled (2wds)
  5. 12. how the O2 and CO2 are exchanged
  6. 13. the scientific name for the nostrils
  7. 18. the region where the throat meets the voicebox
  8. 21. the membrane that cover the lung (2wds)
  9. 22. the region posterior to your nasal cavity
  10. 23. the smaller tubes in the lungs
  11. 24. the main organs of the respiratory system
  12. 25. the structures that circulate air to clear out particles
  13. 26. the cartilage the circles and protects the lower voicebox
  14. 27. the structure that covers the throat during swallowing
Down
  1. 1. the membrane that lines the cavity (2wds)
  2. 2. the throat
  3. 3. the volume of regular breathing
  4. 4. the volume of air that doesn't exchange with the blood (2wds)
  5. 7. the type of cartilage that protects the tubes of the respiratory system
  6. 8. the cartilage that protects the anterior voicebox (the Adam's apple)
  7. 9. the voicebox
  8. 11. the tubes that lead to the left and right lungs (2wds)
  9. 14. the balloon like structures where gas exchange occurs
  10. 15. the hollow portions of the skull
  11. 16. the volume that can be forcibly inhaled (2wds)
  12. 17. the instrument used to measure breath volume
  13. 19. the volume that can not be exhaled from the lungs
  14. 20. the space of the left lung where the heart is found
  15. 21. the maximum breath in and out you can take (2wds)