By Dr. Mercola
By Dr. Mercola
While all human blood is red when exposed to air, not all human blood is identical in nature. Every individual has a specific blood group inherited from your parents in much the same way you inherit other characteristics, such as eye color.
Your blood group is determined by the presence or the absence of specific antigens on the surface of every red blood cell. These antigens determine several characteristics in your blood, including blood type, and may be either proteins or complex sugar molecules.1
There are four major blood groups determined by the presence or absence of …read more
Source: mercola
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