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Circulation. (Science: physiology) movement in a regular or circuitous course, as the movement of the blood through the heart and blood vessels. Origin: L. Circulatio. Please contribute to this project, if you have more information about this term feel free to edit this page.
Blood is pumped from the heart, circulates through the body, and returns to the heart. Ocean currents circulate from the south to the north and back around to the south. Circulation is used to describe things that move in a never ending loop. Source(s):