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May 23, 2015

Homework Help: Bio 20

Posted by Courtney on Friday, February 21, 2014 at 12:47am.

When blood enters a vein from a venule, the blood pressure

A) remains constant because of the heart's pumping action
B) increases because of the size of the vein
C) increases because of stretch receptor stimulation
D) decreases because of the size of the vein

Please help!!!!!

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