eli5: What happens when you get a blood transfusion with the wrong/incompatible blood type?
In: Biology
Your body has security guards called “white blood cells.” These security guards check the badges of workers called “red blood cells.” The badges are called antigens and there are different types depending on the “building” aka body. When an intruder with a mismatched badge comes in the security calls back up known as an immunal response. This response causes an inflammation throughout the body as all the “red alert” security system are activated known as a hemolytic reaction which is similar to a severe allergic reaction called anaphylaxis.
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