What Substance is Hair made up of?

What Substance is Hair made up of?

black hair

The importance of hair on human body is known to everybody. The hair part that appears outside has lifeless tissues. Hair is made up of protein called Keratin. The cells in the hair lose their nucleus in a procedure known as Keratinization. This is why there is no life in hairs. The hair that grows out of the skin are contains lifeless proteins. Hairs does not contain any nerves are cells. Therefore there is no pain even when the hair is cut. But the follicles of hairs inside the skin are joined to the nerves. Thus it pains when somebody pulls the hair.

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