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nikdorinn [45]
3 years ago
9

Why is it important to know a person blood type before a blood transfusion?

Biology
1 answer:
lord [1]3 years ago
4 0
Different types of blood contact different kinds of antigens and antibodies. For example, Type A blood has A antigens and B antibodies, antibodies being the thing that fights B antigens. Type B blood has B antigens and A antibodies. So if someone with type B gets transfused with Type A blood, the person's antibodies will attack the new blood.
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