It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide. The oxygenated blood then flows back to the heart. Systemic circulation moves blood between the heart and the rest of the body. It sends oxygenated blood out to cells and returns deoxygenated blood to the heart.
So its Systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs
