The ultimate target of action potentials in the cardiac conduction system of the heart is the left and right AV bundle thanches.
Which of the following structures possess autorhythmicity? Check all that apply.
Atrioventricular (AV) bundle (bundle of His)
Subendocardial (Purkinje) fibers
Atrioventricular (AV) bundle branches
Atrioventricular (AV) node
Sino-atrial (SA) node