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Webster's New World College Dictionary » circulatory system
circulatory system 
circulatory system definition
circulatory system
the system responsible for circulating blood and lymph throughout the body, that supplies nutrients and oxygen to the cells and removes various waste products: it consists of the heart, blood, blood vessels, lymph, etc.
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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