How lub is produce during circulation in human body?
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Lib sound is produces during circulation when verticals contact... also called ventricular at systole.
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ANSWER:
The sound lub is produced due to closing of tricuspid and mitral valves during the circulation of blood.
EXPLANATION:
The heart contracts and expands while pumping the blood through arteries and veins. This muscular movement of the body organ produces the lub sound. During systole the lub sound is specially produced.
The moment of heart occurs in a cycle known as cardiac cycle. During the cycle the heart goes through systole and diastole which means the heart contract and relaxes. This cycle never stops because the cardiac muscles are made to work continuously.
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