follow Dictionary.com

Do you know ghouls from goblins and ghosts?

external respiration

external respiration in Medicine

external respiration n.
The exchange of respiratory gases in the lungs.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Word Value for external

15
17
Scrabble Words With Friends