Here's my answer to the question I posed last week:
Q: Which of the follwing circuits repesents the lowest resistance pathway and why?
a) cerebral circulation
b) coronary circulation
c) renal circulation
d) hepatic circluation
e) pulmonary circulation
I think the answer is e) because the pulmonary system:
Has many many parallel pathways (branching)
Is relatively short
Has low muscular tone
But my circulatory system physiology is terrible, and when I was discussing it with Shobhit yesterday we considered coronary as well. Any other ideas?
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