Q. What are pathogens ? How do they enter human body?
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6
Answer:
pthogens are the micro organisms which enters in human's body by different places
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8
Answer:
pathogens are the disease causing organism that enters the body and badly affect their functioning
they enter body through contaminated food and water and also through air(e.g.- virus)
some examples of pathogen are:- bacteria, virus, protozoans etc
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