Body Fluids and CirculationHard

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

Solution

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