Category: Cardiovascular System

Introduction to "Purkinje fibers": The heart is one of the most crucial organs in the human body. It is responsible for circulating blood throughout the body, providing oxygen and nutrients to every cell. Within the heart, there is a specialized...

Introduction to Sinoatrial (SA) Node: The Sinoatrial (SA) node, also known as the heart’s natural pacemaker, is a small group of cells located in the upper right chamber of the heart. Its primary function is to initiate and regulate the...

Introduction to Atrioventricular (AV) Node: The atrioventricular (AV) node is an essential component of the heart’s electrical system responsible for controlling the heartbeat rate and rhythm. Located in the lower region of the right atrium, the AV node receives electrical...