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NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION
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On a beautiful sunny day, a man went for jogging and climbed few stairs in the park. His heart starts beating 95 times per minute. In left ventricle, the volume of blood at the end of ventricular systole is whereas the volume of blood at the end of ventricular diastole was . What is the cardiac output in this person?
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Correct option: D
Option D () is correct because stroke volume is the difference between end-diastolic and end-systolic volumes (140 mL - 60 mL = 80 mL). Cardiac output is stroke volume multiplied by heart rate, so cardiac output = 80 mL/beat * 95 beats/min = 7600 mL/min.
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