Biology, asked by Saimon363, 8 months ago

if duration between lubb and dup sound of a person is 0.7 sec and his stroke volume is 70ml calculate amount of oxygen transported in 2 minutes.option 1600 ,1680,1650 1620

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Answered by evonann2007

Answer:It is produced by the contraction of ventricular muscles and the vibrations set up by the closure of tricuspid and bicuspid valves. 42It is also called systolic sound. The dub sound (second sound) is caused by the closure of semilunar valves of the aorta and pulmonary trunk.

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