Question

Why is the sino-atrial node referred to as the pacemaker of the human heart?

Options

• It is responsible for generating action potentials that are more in size as compared to various other parts of the conducting system.

• Due to its location in the right atrium.

• It has the capability to produce the maximum amount of action potential in the conducting system.

• Impulse is generated only in this part of the conducting system.

Answer 1

It has the capability to produce the maximum amount of action potential in the conducting system.