The blood vessels are the part of the circulatory system that transport blood throughout the body. There are three major types of blood vessels: the arteries, which carry the ...
A heart valve normally allows blood to flow through it in only one direction. There are four in a mammalian heart and they determine the pathway of blood flow through the heart. A ...
A part of an animal or plant body that serves a particular physiological function (as the heart, liver, etc.). Also with of (as in organ of sense, etc.).
Red blood cells (also referred to as erythrocytes) are the most common type of blood cell and the vertebrate organism's principal means of delivering oxygen (O2) to the body ...
The Bible is the various collections of sacred scripture of the various branches of Judaism and Christianity. The Bible, in its various editions, is ...
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