Dictionary   FastHealth  Email This!

 


external respiration

n :  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  .
 
 

 
Published under license with Merriam-Webster, Incorporated.  © 1997-2021.







               



               



Twin Lakes Regional Medical Center (Leitchfield, Kentucky - Grayson County)