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Byju's Answer
Standard IX
Biology
Skin and Mucous Membranes
The outer lay...
Question

The outer layer of skin is made up of ___.


A

Cellulose

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B

Keratin

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C

Glycogen

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D

All of these

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Solution

The correct option is B

Keratin


Skin forms the first level defense of the body. It has an outer tough layer made up of keratin which is impermeable to germs.


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