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The heart sound "DUP" is Produced when:-

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Important Questions on Body Fluids and Circulation
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When heart beat is decreased than normal, the condition is known as;

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Normal Cardiac output is;

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Acetylcholine causes:

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First heart sound is:

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Heart beat becomes faster on stimulation by:

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The sound of lubb is produced during closure of

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In human oxygenated blood flows from:

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In the cardiac cycle, the "Dup" sound is heard when
