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The purpose of the immune system is to identify and eliminate foreign substances within the body. In which of the following cases is an immune response not beneficial?

I. allergic reaction
II. bacterial infection
III. organ transplant
IV. viral infection

User Zolfaghari
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2 Answers

5 votes
the answer to your question would be organ transplant

User Wei Liu
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4 votes

I and III only is the answer :)

User Jporcenaluk
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