Sagot :
Answer:
Human blood is grouped into four types: A, B, AB, and O. Each letter refers to a kind of antigen, or protein, on the surface of red blood cells. For example, the surface of red blood cells in Type A blood has antigens known as A-antigens.
Answer:
What blood type of Human?
- Blood type A
- Blood type B
- Blood type AB
- Blood type O
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