Body Fluids and CirculationEasy
Question
Which one of the following is a matching pair
Options
A.Lubb - sharp closure of AV valves at the beginning of ventricular systole
B.Dup - sudden opening of semilunar valves at the beginning of ventricular diastole
C.Pulsation of the radial artery-valves in the blood vessels
D.Initiation of the heart beat Purkinje fibres
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