NeetBody Fluids And Its CirculationNEET 2022 Phase 1MCQ+4 / -12022ENHIWhich one of the following statements is correct?AThe atrio-ventricular node (AVN) generates an action potential to stimulate atrial contractionBThe tricuspid and the bicuspid valves open due to the pressure exerted by the simultaneous contraction of the atriaCBlood moves freely from atrium to the ventricle during joint diastole.DIncreased ventricular pressure causes closing of the semilunar valves.Check AnswerClear SelectionReveal AnswerShow Explanation