Where is the Sinoatrial Node Located

Question

Where is the sinoatrial node located?
A) in the pulmonary artery
B) in the right atrium
C) in the left atrium
D) in the left ventricle

Accepted Answer

The sinoatrial node, often referred to as the SA node, is located in the right atrium of the heart. It acts as the natural pacemaker, initiating the electrical impulses that set the pace for cardiac activity.