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Question : Mention the four barriers of innate immunitywithan examplefor each .

Answer»

SOLUTION :Physicalbarrier .
Ex : Mucus coatingof epithelium .
PHYSIOLOGICAL BARRIER.
Ex : Acidin stomach / SALIVA in the MOUTH / tears from eyes .
Cellularbarries .
Ex : WBC/Naturalkillercells / Macrophages .
Cytokinin barrier .
Ex : Interferons.


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