The right side of the heart deals with
Deoxygenated Blood
The diagram below shows the movement of oxygenated and deoxygenated blood. Deoxygenated blood enters the right atrium as it expands and when the right atrium contracts, the blood moves into the right ventricle. The right ventricle transfers the blood to the lungs for oxygenation. The right side of the heart deals with deoxygenated blood.