Circulation is the pumping of blood and oxygen throughout your body. Your heart is the main organ in this process. Without the circulation system, you could not function.
SYSTEMIC CIRCULATION:the oxygenated blood from left ventricle goes to the all organs(EXCEPT LUNGS) through left systemic artery and deoxygenated blood collected from organs enter right atrium....
Systemic circulation is the flow of blood from the left side of the heart, through the tissues of the body excepting pulmonary tissues, and emptying into the right atrium of the heart. Pulmonary...
Circulation is the system of shunting blood throughout the body. The blood returns to the heart from systemic - or full body - circulation via the superior and inferior vena cavae - or the biggest...
It really depends on what your talking about. Circulation means to go in a circle. So you could be talking about your blood "circulating" through your body. A dictionary link below will help you out...