a: Beta blocker ~
b: a governor for your heart
What:
"For those of you who don't know, a beta blocker is like a governor for your heart. It puts a ceiling on your heart rate making it nearly impossible for it to go above a certain rate."
Useful?
Writer: Rob Wing
LCC:
Where: Reference Link Has Evaporated
Date: Jan 21 2015 11:14 AM
# 7078 Critique Analogy