Answer to Question #138064 in Human Anatomy and Physiology for Karla Morales

Question

List the route electrical activity beginning with the SA node through the when the and ventricles contract and when each valve is open and closedAlso include how corresponds with blood through the hear

Answer 1

The electrical impulse travels from the sinus node which is the pacemaker of the heart to the atrioventricular node, also called AV node. There, impulses are slowed down for a very short period, then continue down the conduction pathway via the bundle of His into the ventricles.