In a normal adult human, the average cardiac output (stroke volume) is
47 mL
70 mL
5 L
3.3 L
B.
70 mL
The volume of blood pumped by the ventricles per unit time is called cardiac output. It is 70 mL heart beat (i.e., stroke volume), 5 litres/minute and 300 L/h. It increases during exercise.