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The Ear Is Composed of Three Major Sections: the External

question 21

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The ear is composed of three major sections: the external ear,the middle ear,and the:


Definitions:

Pediculosis

The medical term for lice.

UV Radiation

Ultraviolet radiation; a type of energy emitted by the sun and artificial sources, which can cause skin damage, including sunburn and skin cancer.

Melanin

A pigment found in the skin, hair, and eyes of humans and animals, responsible for coloration and protection against UV radiation.

Epidermis

The most superficial layer of the skin.

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