The right and left sides of the heart are further divided into two top chambers called the atria (also termed the right and left atrium), which receive blood and then pump it into the two bottom chambers called ventricles, which pump blood to the lungs and to the body. The coronary arter...
( singular: atrium ), and two lower chambers called ventricles. heart, a major part of the human circulatory system though other animals possess a heart, the way their circulatory system functions is quite different from humans. moreover, in some cases, the human circulatory system is much ...
wave of contraction starts from S.A. Node and spreads over both the auricles resulting the contraction of both auricles, simultaneously, and blood is pushed into ventricles of their sides through atrio-ventricular valves. Atrio-ventricular valve (tricuspid) which is a three ...
The right and left sides of the heart are further divided into two top chambers called the atria (also termed the right and left atrium), which receive blood and then pump it into the two bottom chambers called ventricles, which pump blood to the lungs and to the body. The coronary arter...
conduction in the heartElectrical conduction in the heart in healthy individuals is controlled by pacemaker cells in the sinoatrial node. Electrical impulses are conducted from the sinoatrial node to the atrioventricular node and bundle of His, through the bundle branches, and into the ventricles. ...