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Humans have innate immunity for protection against pathogens that may enter the gut along with food. What are the two barriers that protect the body from such pathogens? |
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Answer» Microbial pathogens enter the gut of humans along with food: Physical barriers: Mucus coating of the epithelium lining the gastrointestinal tract helps in trapping microbes entering our body. Physiological barriers: Acid in the stomach, saliva in the mouth prevent microbial growth. |
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