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Class 8
Chapter 2 Class 8 - Microorganisms : Friend and Foe

When harmful microorganism enter our body,our body produces antibodies

These antibodies fight and kill harmful microorganism

Some antibodies are also added to our body with the help of vaccines and injections

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo