The main function of nails is to protect the fingertips which are soft and full of nerves, and enhance touch. Nails are not part of the bone but are made of a protein called keratin. Keratin is not only found in nails, but also in skin and hair.

The main function of nails is to protect the fingertips which are soft and full of nerves, and enhance touch. Nails are not part of the bone but are made of a protein called keratin. Keratin is not only found in nails, but also in skin and hair.

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Stock photo: The main function of nails is to protect the fingertips which are soft and full of nerves, and enhance touch. Nails are not part of the bone but are made of a protein called keratin. Keratin is not only found in nails, but also in skin and hair. was taken by dodhoy_cikuray .