Science, asked by kailaahsaini33399, 10 months ago

human being has dash in composition of blood in their blood body they why do we need to check for blood groups before donating blood to someone​

Answers

Answered by reshmaperween3478
0

Answer:

Because all blood have different antibodies and antigens if the antigens and antibodies matched with the blood of the person then the blood is donated

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