: a system of organs functioning in respiration and in humans consisting especially of the nose, nasal passages, pharynx, larynx, trachea, bronchi, and lungs : respiratory tract
Illustration of respiratory system
1 nostril
2 nose
3 nasal cavity
4 nasopharynx
5 oropharynx
6 larynx
7 trachea
8 bronchus
9 lung
Examples of respiratory system in a Sentence
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The infection can manifest in the respiratory system or the skin.—Jen Christiansen, Scientific American, 25 June 2025 Exercising, whether aerobic or strength-building, makes your respiratory system stronger and more efficient.4
4.—Carisa Brewster, Verywell Health, 24 Apr. 2025 Children are among the most vulnerable because of their developing respiratory systems and tendency to spend more time outdoors.—Josh Hammer, MSNBC Newsweek, 21 Apr. 2025 Getting vaccinated to prevent infections: Vaccinations help support lung function by reducing the risk of respiratory system infections.—Lana Barhum, Verywell Health, 26 Feb. 2025 See All Example Sentences for respiratory system
: a system of organs used in breathing that in human beings consists of the nose, nasal passages, pharynx, larynx, trachea, bronchi and lungs
Medical Definition
respiratory system
noun
: a system of organs functioning in respiration and in humans consisting especially of the nose, nasal passages, pharynx, larynx, trachea, bronchi, and lungs : respiratory tract
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