Respiratory System

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Across
  1. 3. Chemical inflation & deflation of lungs and cellular respiration in each cell
  2. 6. The membrane that lines the walls of the thoracic cavity
  3. 7. Mechanical process of pulling air in and out using muscles and pressure
  4. 11. Tonsils located in the oropharynx at the end of the soft palate
  5. 13. smaller branch of a bronchus
  6. 18. Site of gas exchange
  7. 22. a depression in the heart where the heart sits
  8. 23. The smaller lung with two lobes
  9. 24. the structure that separates the nasal cavity from the oral cavity
  10. 25. The diaphragm relaxes (moves up) forcing air out of the lungs; also known as exhalation
  11. 27. The membrane that lies against the lungs
  12. 29. Hair-like structures that lines the trachea
  13. 30. The slit-like passageway between the vocal cords
  14. 31. action used to force an object out of the trachea
  15. 32. Trap and remove bacteria or other pathogens entering the throat
  16. 33. Air enters the nose by passing through these structures
  17. 35. Lines the interior of the nasal cavity
  18. 36. Tonsils located high in the nasopharynx; also known as adenoids
Down
  1. 1. The passage that connects the nasal cavity to the top of the throat
  2. 2. The windpipe
  3. 4. The cartilage used to support the trachea
  4. 5. This action hinders ciliary activity and destroys the cilia
  5. 8. Structure used to protect the larynx
  6. 9. cords that drain tears from eyes, also empty into nasal cavities
  7. 10. The lowest portion of the pharynx
  8. 12. the division of the trachea
  9. 14. The four cranial cavities that produce mucus
  10. 15. The three uneven mucosa covered lobes that consist of the nasal cavity
  11. 16. The larger lung with three lobes
  12. 17. The passageway for food and air
  13. 19. The part of the pharynx between the soft palate and the epiglottis
  14. 20. Part of the mucous membrane of the larynx forms a pair of folds
  15. 21. Warms the surrounding air in the nasal cavity
  16. 26. Protects the superior opening of the larynx when swallowing occurs
  17. 28. Air flows into the lungs; also known as inhalation
  18. 34. Voice box