What is real sound that we heard during heart beat
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Lub.dub is the real sound that we hear during heart beat because of systole and diastolic process in cardiac cycle .it takes0.8 seconds for one heart beat.
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Two distinguishable sounds can be heard during the cycle of the beating heart when listened to with a stethoscope. The heart sounds are usually described as a lup-dup sound. These sounds are due to the closing of the valves of the heart. Unusual heart sounds are called murmurs.
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