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
Differing levels of exposure to these substances can irritate a pet’s respiratory system and internal organs.
—
Nafeesah Allen, Better Homes & Gardens, 9 Jan. 2025
Fine particles are respiratory irritants, and exposure to high concentrations can cause:
Persistent coughing
Phlegm
Wheezing and difficulty breathing
Prolonged exposure to particulates can slow the respiratory system's ability to remove viruses and bacteria from the lungs, the EPA says.
—George Petras, USA TODAY, 8 Jan. 2025
According to the Centers for Disease Control and Prevention (CDC), these fumes can irritate the respiratory system, causing symptoms ranging from coughing and throat irritation to severe respiratory distress and lung damage.
—Paul Du Quenoy, Newsweek, 1 Jan. 2025
Adding moisture to the air feels so good for the skin and respiratory system.
—Hannah Rice, Rolling Stone, 27 Nov. 2024
See all Example Sentences for respiratory system 
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Nafeesah Allen, Better Homes & Gardens, 9 Jan. 2025
Fine particles are respiratory irritants, and exposure to high concentrations can cause:
Persistent coughing
Phlegm
Wheezing and difficulty breathing
Prolonged exposure to particulates can slow the respiratory system's ability to remove viruses and bacteria from the lungs, the EPA says.
—George Petras, USA TODAY, 8 Jan. 2025
According to the Centers for Disease Control and Prevention (CDC), these fumes can irritate the respiratory system, causing symptoms ranging from coughing and throat irritation to severe respiratory distress and lung damage.
—Paul Du Quenoy, Newsweek, 1 Jan. 2025
Adding moisture to the air feels so good for the skin and respiratory system.
—Hannah Rice, Rolling Stone, 27 Nov. 2024
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 22 Jan. 2025.
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