An Air Sponge
a: lung ~
b: a sponge
What:
"Each lung is like a sponge and is made up of millions of tiny airspaces."
Useful?
Writer: Michael T. Newhouse, Peter J. Barnes
LCC:
Where:
Date: Mar 7 2014 4:05 PM
# 5251 Critique Analogy
"Each lung is like a sponge and is made up of millions of tiny airspaces."