Sawastik posted an Question
October 15, 2021 • 02:17 am 30 points
  • IIT JAM
  • Biotechnology (BT)

Cortex oi ute guen he "lub" of the "lub-dub" sound the heart makes is caused by the (a) 27. closing of the mitral and tricuspid valves closing of the pulmonary

In that ques Ans is option A but the ans is given B

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    Krishan k jakhad Best Answer

    A. The first heart sound (lub) is produced by mitral and tricuspid valve closure. see image..

    cropped2844650859648740349.jpg
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