What structure serves as the pacemaker of the heart
- What structure is the pacemaker of the heart
- What structure is referred to as the pacemaker of the heart
- What structure serves as the main pacemaker of the heart
- What structure serves as the natural pacemaker of the heart regulating the heart's rhythm
- What structure acts as the pacemaker of the heart
- What structure is known as the pacemaker of the heart
- What structure is also known as the pacemaker of the heart quizlet
- What is the name of the structure that serves as the pacemaker for the heart