The heart is called a double pump because ________

A) it is two separate side-by-side pumps serving different circulations
B) blood flows into the receiving chambers, which pump it to the muscular chambers that pump it again for distribution
C) every chamber has a strong pumping action
D) blood is sent from one pump that imparts a small pressure directly into a second pump that imparts higher pressure


Answer: A

Anatomy & Physiology

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