If you ingest blood which has different antigens to your own, such as drinking B blood group when you are blood group A, will you get a haemolytic reaction similar to when you transfuse with the wrong blood? And if not why, since you have antibodies against these antigens?
In: Biology
No, because the blood is not entering your circulatory system. It’s going into your stomach and being digested/processed before it enters your system. This is why we do transfusions instead of just drinking blood. You would of course be susceptible to blood borne pathogens though.
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