external respiration

Definition of External Respiration in English :

1. breathing, external respiration, respiration, ventilation

the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation

WordNet Lexical Database for English. Princeton University. 2010.

External Respiration

noun

another term for respiration (sense 1)

exchange of oxygen and carbon dioxide across external or respiratory surfaces, as gills or lungs, in multicellular organisms

n.

The exchange of oxygen and carbon dioxide between the environment and respiratory organs such as gills or lungs.