Illustration of respiratory system
- 1 nostril
- 2 nose
- 3 nasal cavity
- 4 nasopharynx
- 5 oropharynx
- 6 larynx
- 7 trachea
- 8 bronchus
- 9 lung
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
Examples of respiratory system in a Sentence
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Birds have delicate respiratory systems that can be disrupted by strong chemicals.
—
Madeline Buiano, Martha Stewart, 5 Feb. 2026
Always wear a face mask to prevent fine ash particles from entering your respiratory system.
—Ashlyn Needham, Southern Living, 3 Feb. 2026
If left untreated, hypothermia can cause heart and respiratory system failure, and eventually death.
—Alexis Simmerman, Austin American Statesman, 26 Jan. 2026
Eventually, the cardiac and respiratory systems could fail and lead to death.
—Katia Hetter, CNN Money, 26 Jan. 2026
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Madeline Buiano, Martha Stewart, 5 Feb. 2026
Always wear a face mask to prevent fine ash particles from entering your respiratory system.
—Ashlyn Needham, Southern Living, 3 Feb. 2026
If left untreated, hypothermia can cause heart and respiratory system failure, and eventually death.
—Alexis Simmerman, Austin American Statesman, 26 Jan. 2026
Eventually, the cardiac and respiratory systems could fail and lead to death.
—Katia Hetter, CNN Money, 26 Jan. 2026
See All Example Sentences for respiratory system
Cite this Entry
“Respiratory system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/respiratory%20system. Accessed 7 Feb. 2026.
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