science

I am learning about different blood types and antigens associate with them. I am wondering--- why does the body reject blood types that contain foreign antigens? My teacher told me that there was a type of cells that are used in this response. I am not sure what she's talking about though. Also, how can blood rejection be a positive thing?

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  1. This site may help you.

    http://nobelprize.org/educational_games/medicine/landsteiner/readmore.html

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    Ms. Sue

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