a: Synovial fluid ~
b: oil to the squeaky hinge on the door
What:
"Synovial Fluid is like the oil to the squeaky hinge on the door, it allows for the joints to move painlessly rather than making the bones rub against each other."
Useful?
Writer: egrabin
LCC:
Where:
Date: Aug 20 2015 4:49 PM
# 8307 Critique Analogy