external respiration
external respiration
nounDefinition 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
Learn More About EXTERNAL RESPIRATION
Browse
Next Word in the Dictionary: external student
Previous Word in the Dictionary: external relation
All Words Near: external respiration
Previous Word in the Dictionary: external relation
All Words Near: external respiration
Seen & Heard 
What made you want to look up external respiration? Please tell us where you read or heard it (including the quote, if possible).
