Science, asked by biprajsandhu, 2 months ago

skin and tear provide and barriers fill in the blanks​

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Answered by vaishnavi9290
6

Before any immune factors are triggered, the skin (also known as the epithelial surface) functions as a continuous, impassable barrier to potentially-infectious pathogens. ... Furthermore, tears and mucus secretions contain microbicidal factors that prevent many infections from entering via these routes.

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