epidermis - the outermost layer of skin, which protects the body from foreign substances and contains pigment-producing cells, dermis - the middle layer of skin, which contains hair follicles, hypodermis - the innermost layer of skin, which contains fat, blood vessels, and nerve endings; attaches to underlying bone and muscle, acne - a skin condition in which inflamed, clogged hair follicles cause pimples, pores - hair follicles underneath your skin that contain oil-producing glands, cystic acne - a severe type of acne that requires medical treatment, eczema - a chronic skin condition characterized by patches of red, itchy, dry, or swollen skin, ultraviolet light - an invisible type of radiation that emanates from the sun, tanning beds, and sunlamps, sunscreen - a product that protects the skin by absorbing and scattering UV rays , body art - permanent decorations that are applied to the body; examples include tattoos and piercings ,

Lesson 8.2- Common Skin Problems

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