external respiration
noun
: exchange of gases between the external environment and a distributing system of the animal body (such as the lungs of higher vertebrates or the tracheal tubes of insects) or between the alveoli of the lungs and the blood compare internal respiration
Word History
First Known Use
1940, in the meaning defined above
Time Traveler
The first known use of external respiration was
in 1940
Dictionary Entries Near external respiration
Cite this Entry
“External respiration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/external%20respiration. Accessed 21 Sep. 2023.
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Medical Definition
external respiration
noun
: exchange of gases between the external environment and a distributing system of the animal body (as the lungs of higher vertebrates or the tracheal tubes of insects) or between the alveoli of the lungs and the blood compare internal respiration
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