What do dead keratinized cells form?

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Dead keratinized cells form the hair shaft, which is the visible part of the hair above the skin's surface. The hair root is located beneath the skin's surface and is responsible for producing new hair cells. The hair bulb is the base of the hair root and contains the living cells that produce the hair shaft. The arrector pili muscle is a small muscle attached to hair follicles and is responsible for causing hair to stand up when it contracts.

What Do Dead Keratinized Cells Form