During ventricular systole, ventricular pressure falls and:
(A) The AV valves close, semilunar valves open
(B) The semi lunar valves close, AV valves open
© Both AV and semilunar valves open
(D) Both AV and Semi lunar valves close
During ventricular systole, ventricular pressure falls and:
(A) The AV valves close, semilunar valves open
(B) The semi lunar valves close, AV valves open
© Both AV and semilunar valves open
(D) Both AV and Semi lunar valves close