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Which one of the following is a matching...

Which one of the following is a matching pair

A

Lubb-Sharp closure of AV valves at the beginning of venricular systole.

B

Dup-Sudden opening of semilunar valves of the beginning of ventricular diastole.

C

Pulsation of the radial artery valves in the blood vassels.

D

Punkinje fibers-Initiation of the heart beat.

Text Solution

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The correct Answer is:
A
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