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Q.

Choose the physical barrier.


 

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a

WBCs

b

Sweat

c

Skin

d

Monocyte

answer is C.

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Detailed Solution

Concept: Physical barrier protects us from invading foreign particles.

It is a type of innate immunity that is present at the time of birth.

Skin is the type of physical barrier that protects foreign particles from invading our body.

Hence, option C is the correct answer.


 

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Choose the physical barrier.