LYCOS RETRIEVER 
Circulation: Blood
built 647 days ago
CIRCULATION is the sixth public art project by the artists’ collective, REPOhistory. Since 1989, the group’s dozen members and dozens of collaborators have produced a type of social cartography in which the invisible historical and political contours of a given place are marked and mapped. With CIRCULATION, REPOhistory approaches the island of Manhattan as a specific site, one that contains a matrix of partially detectable systems that shape its physical and discursive topography. Along with water and electricity, subways and sewers, zoning regulations and taxes there is one system that may be as invisible as it is vital: this is the daily routine of collecting, processing and distributing hundreds of pints of human blood each day. Blood’s vitality is conveyed in the statistic that nine out of ten New Yorkers who reach the age of 72 will have received a blood transfusion. Blood is drawn from a pool of voluntary donors, delivered to blood-banks, processed and dispersed to hospitals and clinics around the city and region.
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During systemic circulation, blood passes through the kidneys. This phase of systemic circulation is known as renal circulation. During this phase, the kidneys filter much of the waste from the blood. Blood ... passes through the small intestine during systemic circulation. This phase is known as portal circulation. During this phase, the blood from the small intestine collects in the portal vein which passes through the liver.
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Venous circulation is the part of your overall blood circulatory system that involves veins, like the vena cavae and pulmonary veins. Veins are blood vessels that carry blood to your heart. Veins have thinner walls than arteries. Veins can increase in width as the amount of blood passing through them increases.
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People who have very poor leg circulation may ... develop a blood clot, a sudden blockage in blood that can cause severe leg pain. This blood clot, known as deep vein thrombosis (DVT), develops in a deep vein, and can occur when a vein is damaged or if blood flow slows down or stops completely. If you’re obese and/or over age 40, you’re at particular risk for DVT.
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Persons with very bad leg circulation may ... have a risk for a blood clot, a sudden block in a vessel causing acute leg pain. When this happens a blood clot, also referred to as deep vein thrombosis (DVT), occurs in a deep vein, and can happen when a vein is not intact or if local circulation slows down or stops completely. If you’re overweight and particularly older than 40, you have to be especially aware of DVT.
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The single-blind, placebo-controlled study at the Karolinska Institute in Stockholm, Sweden is designed to evaluate the safety and efficacy of Hemospan in patients suffering from CCLI, a debilitating condition that results from severely limited blood circulation to the legs. The primary endpoint is tissue oxygenation measured noninvasively.
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