Article
Article
Circulation
Article By:
Jones, David R. Department of Zoology, University of British Columbia, Vancouver, Canada.
Last reviewed:February 2021
DOI:https://doi.org/10.1036/1097-8542.137300
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- Circulation, published October 2019:Download PDF
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The collective processes by which metabolic materials are transported from one region of an organism to another region. The circulatory system, often termed the cardiovascular system, is responsible for the functions of circulation, allowing movement of fluid through the body in a circuitous course. In vertebrates, there are two types of circulation: systemic circulation, which uses blood vessels to circulate blood between the heart and the rest of the body; and pulmonary circulation, which moves blood between the heart and lungs (Fig. 1). Circulation disorders include both localized disturbances of circulation and diseases of the circulatory system. See also: Blood; Blood vessel; Cardiovascular system; Circulation disorders; Heart (invertebrate); Heart (vertebrate); Lung; Metabolism; Vertebrata
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