Eli5: Why does skin shed?
In: Biology
Skin comes off when skin cells regenerate out; irritation heals; or simple scratching. Skin has three layers, which all work together to maintain the body’s largest organ- surface skin. Our mind can send signals to let us know our skin is ready to shed by making us itchy, and thus we scratch in instinct. Shedding is a sign of the skin cell layers doing their natural purpose- to sense our surroundings and protection from the elements. They regenerate every 24hours, some sooner, some later.
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