Why Do We Have Different Blood Types?

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Why Do We Have Different Blood Types?

Message  gerardM le Jeu 14 Mai - 17:05

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WHY DO WE HAVE DIFFERENT BLOOD TYPES? There are a number of different blood types that a person can have, but what's the difference between them all?



Why Do We Have Different Blood Types?
There are a number of different blood types that a person can have, but what's the difference between them all?
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