Question

impulse originating from SA node is transmitted to

Answer 1

Answer:

impulses from SA nose is transmitted to AV node via internodal tracts( specialized conducting fibres)

Answer 2

Answer:

$The SA node is also called the sinus node. The electrical signal generated by the SA node moves from cell to cell down through the heart until it reaches the atrioventricular node (AV node), a cluster of cells situated in the center of the heart between the atria and ventricles.$