Becoming exposed to or infected with an infectious microbe does not necessarily mean developing noticeable disease. Explain.

Ans. Because of strong immune system our body is normally fighting off microbes. We have cells which are specialised to kill the pathogenic microbes. These cells are active when infecting microbes enter the body and if they are successful in removing the pathogen, we remain disease free. So even if we are exposed to infectious microbes, it is not necessary that we suffer from diseases.

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