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Question

Which of the following forms the first line of defence of the body against disease causing microbes?


A

Skin

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B

Tears

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C

Mucus

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D

All of these

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Solution

The correct option is D

All of these


Skin, tears and mucus form the first line of defence of the body against microbial invasion. The first line of defence is non-specific and aims to stop microbes from entering the body.


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