NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION

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Animals with complete double circulation are:-

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Correct option: D

Crocodiles, birds, mammals

Option D (Crocodiles, birds, mammals) is correct because these animals have a four-chambered heart, allowing for complete separation of oxygenated and deoxygenated blood.

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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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