But at the same time, we must recognize that the world financial system is the circulatory system for the world economy.

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If ingested, it causes nausea, vomiting and internal bleeding of the stomach and intestines, followed by failure of the liver, spleen and kidneys, and death by collapse of the circulatory system.

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They are constantly shedding cells into the circulatory system.

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If you inject Avastin into the eye, however, its slightly different structure means it interacts with a receptor in the eye in a different way to Lucentis, with the result that more of the drug is drawn into the circulatory system.

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From a molecular perspective, Lucentis was designed to stay in the eye and have a short half-life (two hours), while Avastin was designed to enter the circulatory system and to stick around to fight off cancer (a half-life of 20 days).

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Because of recent health reports suggesting that cocoa was--you know, has some attributes that are good for the heart and circulatory system, there's been a great trend toward dark chocolate in the industry.

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"I think it's unfortunate we are here four years after device approval and many of these questions are unanswered, " says William Maisel, a cardiologist at Harvard Medical School and chairman of the FDA panel that analyzes circulatory system devices.

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