A major difference between cardiac muscle cells and the cells in the cardiac conducting system is that the contractile cells do not undergo spontaneous depolarization.

Question

A major difference between cardiac muscle cells and the cells in the cardiac conducting system is that the contractile cells do not undergo spontaneous depolarization.

Quizplus · Accepted Answer

Cardiac muscle cells, or contractile cells, rely on the cardiac conducting system to initiate depolarization, whereas cells in the cardiac conducting system, like pacemaker cells, can spontaneously depolarize and generate action potentials.

A Major Difference Between Cardiac Muscle Cells and the Cells in the Cardiac