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15 July, 10:00

What are the body's 2 defense systems for foreign materials

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  1. 15 July, 10:06
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    immune system

    Explanation:

    The adaptive immune system reacts specifically to pathogens (germs). It is able to recognize attacking pathogens and fights against certain antigens or foreign substances. The next time a known antigen is encountered, the adaptive immune system can respond faster.
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