Question

hair is made up of?​

Answer 1

$\large\mathbf{\underline{Answer}}$

$<font colour ="black"><i>$Hair is made of a tough protein called keratin.

A hair follicle anchors each hair into the skin. The hair bulb forms the base of the hair follicle. In the hair bulb, living cells divide and grow to build the hair shaft.
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$<font colour ="black"><b>$$<marquee>$Thanks✊..

Answer 2

$<marquee>hairs and nails are made up of dead cells$