Download Heart Diagram With Sa And Av Node PNG. The atrioventricular node lies on the right side of the partition that divides the atria, near the bottom of. The sa (sinoatrial) node generates an electrical signal that causes the upper heart chambers (atria) to contract.
The sa (sinoatrial) node generates an electrical signal that causes the upper heart chambers (atria) to contract. Learn the anatomy of the heart fast and efficiently with these interactive quizzes and diagrams. As you can see in the human heart diagram, there are 4 chambers in this tireless pumping organ.
Atrioventricular node or av node:
These nodes are the sa node and av node. The sinoatrial node, also referred to as the pacemaker of the heart, coordinates heart contractions. The impulse starts in a small bundle of specialized cells located in the right atrium the av node is a cluster of cells in the center of the heart between the atria and ventricles, and acts like a gate that slows the electrical signal before it. 15 heart diagram sa node.