The pacemaker cells are found in what structure?
A) sinoatrial node
B) the ventricles
C) left atrium
D) pulmonary veins
E) aorta

Question

Quizplus · Accepted Answer

The pacemaker cells, also known as the sinoatrial (SA) node, are found in the right atrium of the heart. They generate electrical impulses that coordinate and control the heartbeat. The other structures mentioned (ventricles, left atrium, pulmonary veins, and aorta) do not contain pacemaker cells.

The Pacemaker Cells Are Found in What Structure