Why do we have skin?

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  1. RealAge
     
    RealAge answered:
    Skin is a dynamic, protective organ that grows, stretches, shrinks, creases, and wrinkles in response to a person's age, habits, weight fluctuations, and the environment. Skin serves many important functions including:
    • protecting the body from environmental factors such as bacteria, fungus, viruses, allergens, water, and chemicals
    • regulating body temperature by sweating and adjusting blood flow to the skin
    • synthesizing vitamin D
    • helping the body sense touch, pain, temperature, pressure, and position
    • providing some protection against the sun's harmful ultraviolet rays via the skin protein melanin

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    Skin is a dynamic, protective organ that grows, stretches, shrinks, creases, and wrinkles in response to a person's age, habits, weight fluctuations, and the environment. Skin serves many important functions including: protecting the body... More