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What is the respiratory system?

The respiratory system is made up of the organs involved in the interchanges of gases, and consists of the:
  • nose
  • pharynx
  • larynx
  • trachea
  • bronchi
  • lungs
The upper respiratory tract includes the:
  • nose
  • nasal cavity
  • ethmoidal air cells
  • frontal sinuses
  • maxillary sinus
  • larynx
  • trachea
The lower respiratory tract includes the lungs, bronchi, and alveoli.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.