Question

ᴡʜᴀᴛ ɪs ᴀɴᴛɢᴇɴs..ɪs ɪᴛ ʜᴇʟᴘғᴜʟ...​

Answer 1

Answer:

An antigen is any substance that causes your immune system to produce antibodies against

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Answer 2

Answer:

A toxin or other foreign substance which induces an immune response in the body,especially the production of antibodies.