respiratory system


Definition of respiratory system

: a system of organs functioning in respiration and in humans consisting especially of the nose, nasal passages, pharynx, larynx, trachea, bronchi, and lungs

Illustration of respiratory system

Illustration of respiratory system

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

Recent Examples on the Web

People who had such diagnoses often came to the hospital for other ailments, including mental health disorders, diseases of the skin, respiratory system and digestive system, or a host of other medical conditions the commission did not enumerate. Globe Staff,, "Opioid-related ER visits decline in Mass. — but not everywhere," 26 June 2019 Santiago said that there is a possibility of dogs still showing some issues in their respiratory system. Molly Hudson, azcentral, "Maricopa County animal facility in Mesa extends quarantine another week," 13 June 2019 The turquoise is in your respiratory system now, working its mysterious crystal magic. Sarah Lazarus, The New Yorker, "Healing Crystals and How to Shoplift Them," 8 June 2019 Some venoms contain toxins, which destroy tissue or affect the respiratory system. Shelia Poole, ajc, "7 most common myths about snakes," 5 June 2018 But that doesn’t necessarily fix the problem if their lungs can’t properly inhale, exhale, or transport oxygen and carbon dioxide through their respiratory system. Korin Miller, SELF, "How Does Cancer Actually Kill Someone?," 15 Mar. 2019 Combining them creates peracetic acid, which is potentially toxic and can irritate the skin, eyes, and respiratory system. Lisa Freedman, Good Housekeeping, "6 Cleaning Products You Should Never, Ever Mix," 19 Dec. 2017 Many of these cleaners contain corrosive alkalis, which can have grave effects on your gastrointestinal track and respiratory system if inhaled and can be deadly if swallowed. Lindsey Campbell, House Beautiful, "19 Dangerous Household Items You Should Quit Using Immediately," 15 Feb. 2019 Every day, her muscle function and respiratory system weaken, the eventual cause of death for most patients. Sumathi Reddy, WSJ, "One Family’s Struggle to Get Their Daughter Lifesaving Medication," 20 Jan. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'respiratory system.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of respiratory system

1888, in the meaning defined above

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Last Updated

5 Jul 2019

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Time Traveler for respiratory system

The first known use of respiratory system was in 1888

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More Definitions for respiratory system

respiratory system


Kids Definition of respiratory system

: a system of the body used in breathing that in human beings consists of the nose, nasal passages, pharynx, larynx, trachea, bronchial tubes, and lungs

respiratory system


Medical Definition of respiratory system

: a system of organs functioning in respiration and consisting especially of the nose, nasal passages, nasopharynx, larynx, trachea, bronchi, and lungs

called also respiratory tract

— see lower respiratory tract, upper respiratory tract

More from Merriam-Webster on respiratory system

Britannica English: Translation of respiratory system for Arabic Speakers Encyclopedia article about respiratory system

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