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NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION

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Parasympathetic neural signal decreases the cardiac output by

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Correct option: D

Both (1) and (2)

Option D (Both (1) and (2)) is correct because parasympathetic signals decrease cardiac output by slowing the heart rate and conduction speed.

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In ABO blood grouping, person with blood group

{O^ - }

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