from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The general circulation of the blood through the body, as opposed to the circulation of the blood from the heart to the lungs and back to the heart.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The part of blood circulation which carries oxygenated blood away from the heart, to the body, and returns deoxygenated blood back to the heart.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. circulation that supplies blood to all the body except to the lungs
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