AP Biology. Animal Structure & Function

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What is an advantage of a double circuit circulatory system over a single circuit circulatory system?

-In single circuit circulation, blood pressure decreases in the capillaries of the respiratory organs and does not pick up again. -Double circuit circulation (i.e., pulmonary and systemic circuits) allows blood to be pumped at a constant high pressure, increasing the rate of oxygen delivery to the body's cells.

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AP Biology. Animal Structure & Function
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