To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the e

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To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes, belong ?

Accepted Answer

. Physiological barriers like body temperature, pH of the body fluid, and various body secretions (saliva, tears) prevent growth of many disease causing micro-organisms.
Skin is physical barrier of the body. first outer tough layer is the stratum corneum ,wich is almost dead thats why prevents the entry of bacteria and viruses.

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