one pump clean blood and the other makes the dirty/used blood clean again.
Heart
The right side of the heart pumps blood to the lungs, and the left side pumps blood to the rest of the body. The blood on the right side is deoxygenated and the blood on the left side is oxygenated.
Moderator band
There are many differences between the right and left side of the heart. However, the major difference between these sides of the heart is that blood is taken into the left side of the heart while the right side pushes the blood through the body.
septum of the heart divides heart into right and left, that portion of the septum between right and left atria is called (interatrial) septum, while the portion of septum between right and left ventricles is called (interventricular) septum.
There is as such no difference between them
septum of the heart divides heart into right and left, that portion of the septum between right and left atria is called (interatrial) septum, while the portion of septum between right and left ventricles is called (interventricular) septum.
Right to left shunt
Between right and left atria is the interatrial septum between the right and left ventricles is the interventricular septum
the r.v. pumps blood through the short, high resistance pulmonary circuit
Atrium
The difference between lub and dub (The heart sounds S1 and S2 of a heartbeat) is that the lub occurs when atrioventricular valves close, and dub occurs when the aortic and pulmonary valves close (valves leading out of the heart from the left and right ventricles).