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Body Fluids And Circulations

Question
CBSEENBI11025461

In a normal adult human, the average cardiac output (stroke volume) is

  • 47 mL

  • 70 mL

  • 5 L

  • 3.3 L

Solution

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.