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In the joint diastole state, which of these events do not occur?(a) All four chambers are relaxed(b) Both tricuspid and bicuspid valves are open(c) Blood from pulmonary vein flows into the right atrium(d) Both semilunar valves are closedThe question was asked at a job interview.I would like to ask this question from Human Circulatory System in portion Body Fluids and Circulation of Biology – Class 11

Answer»

Right choice is (c) BLOOD from PULMONARY vein flows into the right atrium

Easy explanation: In the joint diastole STATE, all four chambers of the heart are relaxed. The tricuspid and bicuspid valves are open while the semilunar valves are closed. Blood from pulmonary vein flows into the LEFT ventricle.



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