NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION

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Which structures are directly involved in the “systemic circulation”?

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Correct option: C

Left ventricle, aorta and inferior vena cava.

Option C (Left ventricle, aorta and inferior vena cava) is correct because the systemic circulation involves the left ventricle pumping blood into the aorta, which then circulates to the body and returns to the heart via the inferior vena cava.

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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

60 \,\mathrm{~mL}

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

140 \,\mathrm{~mL}

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