Question

Of which substance is our nails made of?​

Answer 1

Answer:

keratin

Explanation:

our nails are made out of the same substance our hair is made of: KERATIN

Hope this helps

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Answer 2

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» Keratin

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★Fingernails and toenails are made of a tough protective protein called keratin.

★This protein is also found in the hooves and horns of different animals. It is made up of dead skin cells.

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