a: veins ~
b: part of a two way street
What:
The blood pumping through the human body, and many other animals, can be thought of as a two way street with road separated by a wide distance. Blood goes out from the heart on one road and returns on another.
Useful?
Writer: Lucrezia
LCC:
Where: Reference Link Has Evaporated
Date: Jul 25 2015 4:04 PM
# 8022 Critique Analogy