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

ScienceClass 9CBSEAnswered 27 Mar 2026
Answer

Our immune system fight disease causing pathogens and clears them by killing to gives us protection from disease. When we get exposed to certain pathogen our immune system sends active cells that kill and clear the pathogen. Because of the immune system we don’t often get disease despite of getting exposed to infectious microbe.

Science · Class 9