Question

if nails and hairs are dead cells how they will grow​

Answer 1

Hair and nails are generally made up of a tough protective protein called keratin. Hair grows in a hair follicle while nails grow from the matrix, i.e. the base of the nail bed. Both the hair follicle and the nail matrix are made of epithelial cells. ... These cells die and harden, thus turning into hair or nails.



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Answer 2

Explanation:

As the epithelial cells within the follicle and matrix multiply, the older cells are pushed out, upwards through your skin. They die and harden, thus turning into hair or nails. This process, called keratinisation, makes your hair and nails grow