NAILS.
Fingernails are mostly made up of a hardened protein called keratin. Keratin is the same stuff which makes up hooves, claws and horns in animals.Jun 11, 2021
Are nails made of dead cells?
The nails and hairs are made up of keratinized cells. These cells are found in the epidermis layer of the skin. The process due to which hair and nails grow is called keratinization. These are made up of dead cells which are not connected to the nerves of the brain.
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