Answer: True. The skin has a total area of about 20 square feet.
Answer: True. Melanin is a pigment produced by cells in the epidermal layer. The pigment is what gives darker skin its color.
Answer: Three. The skin is made up of three primary layers: a thin outer layer (epidermis), a thicker middle layer (dermis) and the inner layer (hypodermis).
Answer: Acne. Acne is the most common skin condition and affects up to 50 million people in the United States each year.
Answer: True. One in five Americans will develop skin cancer by age 70.
Answer: Pig. Pig skin shares many similar properties with human skin, including similar hair follicles and blood vessel patterns.
Answer: True. Smoking cigarettes causes damage to the collagen and elastin in the skin, which can cause premature aging.
Answer: Eyelids. The skin on your eyelids and the area surrounding your eyes is the thinnest. The skin on the soles of your feet is the thickest.
Answer: True. One of the functions of the skin is to regulate body temperature. It does this by activating the sweat glands to cool the body down when the temperature rises and constricting the blood vessels when temperatures drop to prevent heat loss.
Answer: False. The skin sheds around 50,000 cells every minute. Your body produces a new outer layer of the skin approximately every 30 days.
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