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NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION

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Which wave of human heart out of PQRST is used for determining the heart beat of an individual?

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Correct option: B

QRS

Option B (QRS) is correct because the QRS complex represents ventricular depolarization, which is a key event in determining heart rate and rhythm.

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In ABO blood grouping, person with blood group

{O^ - }

can accept blood from 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

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whereas the volume of blood at the end of ventricular diastole was

140 \,\mathrm{~mL}

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