The Bundle of His and the Purkinje fibers transmit the electrical impulses from the atrioventricular node to the entire ventricular system, resulting in systole
or contraction from the bottom of the heart.
The atrioventricular node or AV node is the node that controls the electrical transmission of the heart's electrical impulse from the atria to the ventricles.
The atrioventricular node is located near the coronary sinus on the interatrial septum of the heart.
The atrioventricular node transmits the electrical impulses generated from the sinoatrial node to the Bundle of His.
The Bundle of His and the Purkinje fibers transmit the electrical impulses from the atrioventricular node to the entire ventricular system, resulting in systole
or contraction from the bottom of the heart.
Contraction of the heart is equally the systolic phase of the heart.
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