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2256 pages added, reviewed or updated during the last month (last updated: 20/4/2021)


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respiratory tract

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The respiratory tract is the complete set of structures which make up the respiratory system. It can be divided into:

  • conducting portion:
    • oral cavity
    • nasal cavities
    • pharynx
    • larynx
    • trachea
    • bronchi
    • terminal bronchioles
  • respiratory portion:
    • respiratory bronchioles
    • alveolar ducts
    • alveolar sacs
    • alveoli

Last reviewed 01/2018

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