Mucus coating of the epithelium lining the respiratory, gastrointestinal and urogenital tracts also help in trapping microbes entering our body. Which barrier of innate immunity is this?

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Physical

Physiological

Cytokine

Cellular

answer is A.

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Detailed Solution

Physical barriers include mucus coating of the epithelium lining the respiratory, gastrointestinal and urogenital tracts also help in trapping microbes entering our body.

Physiological - Acid in stomach

Cellular - WBCs

Cytokine - Interferons

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