Dictionary

external respiration

noun

Definition of EXTERNAL RESPIRATION

:  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

First Known Use of EXTERNAL RESPIRATION

1940

external respiration

noun    (Medical Dictionary)

Medical Definition of EXTERNAL RESPIRATION

:  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

Browse

Next Word in the Dictionary: external studentPrevious Word in the Dictionary: external relationAll Words Near: external respiration
April 21, 2015
omnipotent Hear it
having unlimited authority or influence
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears