Simplify. -

question 112

Multiple Choice

Simplify.
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Definitions:

Hair Shaft

The part of the hair that is above the skin surface, consisting of dead, keratinized cells.

Hair Bulb

The rounded, living part of hair located at the base of the hair follicle, where hair growth begins.

Hair Root

The part of the hair located below the surface of the skin, anchoring the hair into the scalp or skin.

Early Development

A critical period in the life span of an organism, characterized by rapid physical and psychological growth and development.