Hair and Nails
About Hair and Nail.
Hair are very important part of our overall appearance. There are about 100,000 hairs on a person’s head. Hair and nails are extensions of the skin. Their function is to protect the skin. They are made up of keratin, a protein that also protects the skin.
Nails protect our fingertips. They grow at the rate of 0.5mm per week. The half moon at the base of the nail looks white because it is not firmly attached to the skin.
We have hair all over our body except our lips, the palm of our hands and the soles of our feet. Hair grows out of tiny pores on our skin called hair follicles. People have different hair types too.
Hair grows out of roots which are embedded under the skin. Skin hair and nails lack nerve cells, so when we cut them we feel no pain.
Parts of Hair
Parts of Nail
The cuticle is the fold of skin overlapping the nail-bed from where the nail grows.
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