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Question: The average adult heart pumps about 84. mL/s of blood at 72 beats per minute. Suppose you need to... Show transcribed image text The average adult heart pumps about 84. mL/s of blood at 72 beats per minute. Suppose you need to calculate how long it would take the average heart to circulate 5300. mL of blood. Set the math up. But don't do any of it. Just leave your answer as a math expression.
Average cardiac output (the amount pumped by one ventricle per minute) is the heart rate times the stroke volume. Average heart rate at rest is about 70 beats per minute, so 70 bpm x 70 ml/beat = 4900 ml pumped per minute. Typical adult blood volume is around 5 liters (5000 ml). So the answer works out that one ventricle pumps almost your entire blood volume in one minute - or 70 beats.