a: Bone marrow ~
b: a breeding ground
What:
"Bone marrow is like a breeding ground for new, young blood cells. As soon as they are mature they are released into the blood, constantly renewing the blood. "
Useful?
Writer: Not Stated
LCC:
Where: Reference Link Has Evaporated
Date: Feb 8 2015 8:07 PM
# 7279 Critique Analogy