Health on MSN2 天
A Complete Guide to the Different Blood Types: A, B, AB, and O
Medically reviewed by Amelia MacIntyre, DO One of the most important characteristics of blood is its type. Knowing your blood ...
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Blood incompatibility with Homo sapiens may have led to Neanderthal extinction
This Rh variant was incompatible with those of other human ... Antigens, such as those of the ABO system (groups A, B, AB, and O), determine how the immune system recognizes blood cells.