👉 The term "atrioventricular" is a medical term used to describe the two ventricles (the two chambers of the heart) that pump blood into and out of the right atrium, which is located in the left upper lobe of the heart. The atrioventricular system is responsible for pumping blood from the heart's left side to the body's right side. This system is also known as the right atrial systole or ventricle, and it plays a crucial
