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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.
The study of the properties of the blood flow is called hemorheology. The circulatory system is often seen to comprise both the cardiovascular system, which distributes blood, and the lymphatic system, which circulates lymph. These are two separate systems.The passage of lymph for example takes a lot longer than that of blood.he heart pumps oxygenated blood to the body and deoxygenated blood to the lungs. In the human heart there is one atrium and one ventricle for each circulation, and with both a systemic and a pulmonary circulation there are four chambers in total: left atrium, left ventricle, right atrium and right ventricle.