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the septum divides the teo ventricles of the heart.
The Right Coronary Artery (RCA) supplies blood to the right atrium, right ventricle and the back of the septum. The main portion of the right coronary artery provides blood to the right side of the heart, which pumps blood to the lungs. The rest of the right coronary artery and its main branch, the posterior descending artery, together with the branches of the circumflex artery, run across the surface of the heart's underside, supplying the bottom portion of the left ventricle and back of the septum.
The wall of muscle separating the right and left atria is the interatrial septum. The interventricular septum separates the right and left ventricles.
That portion of the heart wall that divides the right and left ventricles
The left coronary artery branches into the anterior interventricular artery which supplies blood to the interventricular septum and anterior walls of both ventricles and the circumflex artery which supplies the left atrium and the posterior walls of the left ventricle. The right coronary artery branches into the right marginal artery which serves the myocardium of the lateral right side of the heart and the posterior interventricular artery which supplies the posterior ventricular walls.Reference: Marieb, Elain N. (2013).Human Anatomy & Physiology. 9th ed. United States: Pearsons Education, Inc.. p669-670.
They are separated by the bicuspid valve (also known as the mitral valve).
The right and left venrticles are separated by the interventicular septum.
inter ventricular septum
A septum connects both upper and lower chambers of the heart. This one is the ventricular septum.
Septum. Between the two atria is the Atrial Septum and between the two ventricles is the Ventricular Septum.
interatrial (between the atria) interventricular (between the ventricles) atrio-ventricular (between the atria and the ventricles) So, each chamber is separated by a septum
AV Bundle