which two types of sound are heard during heart beating
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❥Normally, two distinct sounds are heard through the stethoscope: a low, slightly prolonged “lub” (first sound) occurring at the beginning of ventricular contraction, or systole, and produced by closure of the mitral and tricuspid valves, and a sharper, higher-pitched “dup” (second sound), caused…
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Answer:
Lub-Dub are two types of sound are heard during heartbeat.
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