a: hormone ~
b: an arrow shot from a bow
What:
"Each hormone is like an arrow shot from a bow - it's aimed at a target organ or group of cells. When it hits its target, a 'score' or effect is achieved."
Useful?
Writer: Not Stated
LCC:
Where:
Date: Feb 21 2014 4:02 PM
# 5003 Critique Analogy