Question

what substances are nails made of?​

Answer 1

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☑️Here is ur answer,☑️

Fingernails and toenails are made of a tough protective protein called alpha-keratin. This protein is also found in the hooves and horns of different animals. Hair and Nails. ... Both the nails and hair contain the tough protein, keratin....

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Answer 2

Answer:

$\textbf{keratin}$

Explanation:

$\textbf{More information:}$

Nails are similar to claws in other animals. 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.

$\textbf{Facts-}$

1) FINGERNAILS HAVE FOUR MAIN PARTS.

2) THEY GROW AT A RATE OF 0.1 MILLIMETERS A DAY

3) ITS ESTIMATED THAT 20 TO 30 PERCENT OF PEOPLE BITE THEIR NAILS

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