Which one of the following is a matching pair?

April 22, 2022

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A. Luub- sharp closure of AV valves at the beginning of ventricular systole

B. Dup- sudden opening of semilunar valves are the beginning of ventricular diastole

C. pulsation of the radial artery-valves in the blood vessels

D. initiation of heart beat- purkinje fibres

Answer: Luub- sharp closure of AV valves at the beginning of ventricular systole

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