what is the sound of human heart?
saivivek16:
lub and dub are two sounds which are occurred when the heart beats
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Hey, here is your answer
The first sound of the human heart is lub and the second sound of the human heart is dub.
Hope it helps you
The first sound of the human heart is lub and the second sound of the human heart is dub.
Hope it helps you
yes
7.
oh
I am in 9th std
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Answered by
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❤️Heya....❤️
❤️Here is your answer....❤️
The first heart sound “lub”, also known as S1, is caused by the closing of the AV valves after the atria have pumped blood into the ventricles. The second heart sound “dub”, or S2, originates from the closing of the aortic and pulmonary valves, right after the ventricles have ejected the blood.
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Sorry baby 'wink'
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