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The blood (2 of 3)

6,965 ビュー· 01/17/24
samer kareem
samer kareem
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Blood type (or blood group) is determined, in part, by the ABO blood group antigens present on red blood cells. A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs).

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