Origin of heart beat and its conduction ...

Origin of heart beat and its conduction is represented by

A

SA-node `to` Purkinje fibres `to` AV-node `to` Bundle of His

B

AV-node `to` Bundle of His `to` SA-node `to` Purkinje fibres

C

Purkinje fibres `to` AV-node `to` SA-node `to` Bundle of His

D

SA-node `to` AV-node `to` Bundle of His `to` Purkinje fibres

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The correct Answer is:

D

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