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The immune response summarised

THE IMMUNE RESPONSE IS THE BODY'S REACTION TO A FOREIGN ANTIGEN ENTERING THE BODY.

Made up of non-specific (doesn't matter what the antigen is) and specific (only specific to certain
antigens on certain pathogens).

If the antigen gets past the primary defence (skin, tears etc.) then…

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1. The b lymphocytes are also another type of white blood cell.
2. Their surface is covered with ANTIBODIES.
3. Antibodies are proteins which bind with antigens to form antigen-antibody complexes.
4. Each B lymphocyte has a different shaped antibody so different ones bind to different
antigens.
5. When an…

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