Question

What are three functions of hair?

Answer 1

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The functions of hair include protection, regulation of body temperature, and facilitation of evaporation of perspiration; hairs also act as sense organs. Hairs develop in the fetus as epidermal downgrowths that invade the underlying dermis.

Answer 2

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The human hair is to insulate the human body. Hair does this in two ways: it serves as a physical barrier between external cold air and the skin, and it also traps warm air in between the skin and the hair, keeping the body warmer.