Why does hair grow?

Why does hair grow?

Hair grows from follicles in the skin. Specialized cells at the base divide and push older cells up, where they keratinize and die, forming the hair shaft. This process is driven by hormones and genetics.

Why It Matters

This fact belongs to the general category and contributes to expanding general knowledge. Understanding such facts not only makes you smarter but also helps connect ideas across different fields.

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