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the sounds of the heart "LUBB-DUPP" are produced due to the sharp closure of the valves of the heart. the first sound is produced when the auricular-ventricular valve(bicuspid and tricuspid valve)closes. the second one is produced when the semilunar valves(pulmonary and aortic valves) close.

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What does the beating sound of your heart come from?

The sound of a heart beat is caused by the closing of the valves in the heart.


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What is the word that describes the sound of the heart beating?

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What are you hearing when you hear the heart beat?

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What does a healthy heart sound?

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