Average cardiac output is

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(C) Cardiac output is defined as the volume of blood pumped by each ventricle per minute.It is calculated by the formula: $	ext{Cardiac Output} = 	e

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$5.3$ litres per minute

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(C) Cardiac output is defined as the volume of blood pumped by each ventricle per minute.It is calculated by the formula: $	ext{Cardiac Output} = 	ext{Stroke Volume} 	imes 	ext{Heart Rate}$.Given that the average stroke volume is approximately $70 	ext{ ml}$ and the average heart rate is $72 	ext{ beats per minute}$.$	ext{Cardiac Output} = 70 	ext{ ml/beat} 	imes 72 	ext{ beats/min} = 5040 	ext{ ml/min}$.This is approximately $5.04 	ext{ litres per minute}$,which is closest to $5.3 	ext{ litres per minute}$ among the given options.

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