a. Purkinje fibre: It is present in the Myocardium of the ventricle and is formed by the branching of bundle of his.

Function:It carries impulses from the Sino Atrial Node (S.A. node).

b. Bundle of His:These are fibres which originates from the AV node present in the wall of right atrium.

Function:It transfers electrical impulses from the AV node to the ventricles of the heart.

LOCATION OF PURKINJE FIBRES & BUNDLE OF HIS