Which of the following statements regarding t | vedclass

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(D) The cardiac output is defined as the volume of blood pumped out by each ventricle per minute and is calculated as the product of stroke volume and

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The body has no ability to alter the cardiac output.

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(D) The cardiac output is defined as the volume of blood pumped out by each ventricle per minute and is calculated as the product of stroke volume and heart rate ($70 \ mL 	imes 72 \ 	ext{beats/min} \approx 5000 \ mL$ or $5 \ L$).Option $A$ is correct as the average stroke volume is $70 \ mL$.Option $B$ is correct as cardiac output = stroke volume $	imes$ heart rate.Option $C$ is correct as this is the definition of cardiac output.Option $D$ is incorrect because the body has the ability to alter the stroke volume as well as the heart rate, and thereby the cardiac output, to meet the physiological demands of the tissues.

Which of the following statements regarding the cardiac cycle is incorrect?

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