Choose the answer that correctly follows the path of electricity conduction through the heart?

SA node (sinoatrial node), AV node (atrio-ventricular node), Bundle of His, Purkinje fibers

AV node (atrio-ventricular node), Bundle of His, Purkinje fibers, SA node (sinoatrial node)

SA node (sinoatrial node), Purkinje fibers, Bundle of His, AV node (atrio-ventricular node)

Bundle of His, Purkinje fibers, SA node (sinoatrial node), AV node (atrio-ventricular node)