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 : respiratory tract
Examples of respiratory system in a Sentence
Recent Examples on the Web
Ensure Good Ventilation and Wear a Mask Ammonia produces strong fumes that can irritate the mouth, throat, and respiratory system.
—
Jolie Kerr, Better Homes & Gardens, 27 Jan. 2025
The combination forms a toxic gas that can damage the respiratory system.
—Mary Marlowe Leverette, Southern Living, 21 Jan. 2025
That will help prevent spores from getting in your eyes or in your respiratory system.
—Bridget Reed Morawski, Architectural Digest, 14 Jan. 2025
Wildfire smoke contains fine particulates that can irritate respiratory systems, the EPA says.
—George Petras, USA TODAY, 8 Jan. 2025
See all Example Sentences for respiratory system 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jolie Kerr, Better Homes & Gardens, 27 Jan. 2025
The combination forms a toxic gas that can damage the respiratory system.
—Mary Marlowe Leverette, Southern Living, 21 Jan. 2025
That will help prevent spores from getting in your eyes or in your respiratory system.
—Bridget Reed Morawski, Architectural Digest, 14 Jan. 2025
Wildfire smoke contains fine particulates that can irritate respiratory systems, the EPA says.
—George Petras, USA TODAY, 8 Jan. 2025
See all Example Sentences for respiratory system
Dictionary Entries Near respiratory system
Cite this Entry
“Respiratory system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/respiratory%20system. Accessed 31 Jan. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share