with correct answers provided
SA node - ✅✅pacemaker of the heart
AV node - ✅✅relays electrical impulses from atria into ventricles
AV bundle - ✅✅The structure along which the AV node rapidly transmits its signal to the ventricular
tissues
Purkinje fibers - ✅✅fibers in the ventricles that transmit impulses to the right and left ventricles,
causing them to contract
P wave - ✅✅
QRS complex - ✅✅
T wave - ✅✅
Atrial depolarization - ✅✅P wave represents
atrial repolarization - ✅✅insignificant in QRS complex
ventricular depolarization - ✅✅main part of QRS complex
ventricular repolarization - ✅✅T wave represents
atrial systole - ✅✅(1) atria contract