Pretty much as square cut into quarters, there is a left and right atrium that sit directly above the left and right ventricles.
The structure in the heart that separates oxygenated blood from deoxygenated blood is the atria. These are the two sides of the heart and are separated by the interatrial septum.
corpus callosum
Possibly 'Septal' -the septum is the dividing structure between the 2 sides.
Shunt
Left ventricle
The human heart has 4 sides.
A heart has 2 sides. Left side, right side.
they are diiferent because they both have different functions.
It is to pump blood to the body and to oxygenate the blood.
Cardiac branches of the two vagi
Interventricular septum
for circulation of blood