The human blood type system is classified into four major groups, A, B, AB and O, based on the antigenic characteristics of the blood. Have you ever wondered: Eastern animals also have blood, so are animal blood divided into different groups like humans. Namaste Hippie Girl Leather Tote Bag. Every time we donate blood, take a blood transfusion or simply start a special red blood cell protein diet, we all need to consider our blood type. Depending on your personal habits, your level of interest in the blood type you have changes, possibly very rarely, sometimes often.
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