Cardiac output is defined as:

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(A) Cardiac output is defined as the volume of blood pumped out by each ventricle per minute. It is calculated by multiplying the stroke volume (the v

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Volume of blood pumped out by each ventricle per minute

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(A) Cardiac output is defined as the volume of blood pumped out by each ventricle per minute. It is calculated by multiplying the stroke volume (the volume of blood pumped by each ventricle per beat, approximately $70 \, mL$) by the heart rate (number of beats per minute, approximately $72$ beats per minute). Thus, the average cardiac output is $70 \, mL 	imes 72 \, 	ext{beats/min} \approx 5040 \, mL$ or $5 \, L$ per minute.

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