C) AV node D) ventricle Cardiac Pacemaker Cells: The heart is primarily made up of cardiac myocytes but there exists a small population of cells called cardiac pacemaker cells. These cells display autorhythmicity by continuously spontaneously deplarizing which sets the...
ECG (electrocardiogram) is a test that measures the electrical activity of the heart.The heart is a muscular organ that beats in rhythm to pump the blood through the body.The signals that make the heart's muscle fibres contract come from the sinoatrial node,which is the natural pacemaker of...