During and immediately after ventricular systole
(A) Blood gets filled in atria from vena cava
(B) Atrio-ventricular valves get opened
X(C) Semilunar valves get opened
(D) About 70 ml blood is pumped by each ventricle
into large arteries normally
(1) A, B, C & D (2) C&D SO
(3) A&C
(4) A, C & D
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