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Results 1 - 1 of 1 for Epidermis
  1. Components of skin Video 
    ... has three layers. The top layer is the epidermis. It protects the other layers from the outside ... keratin, which waterproofs and strengthens the skin. The epidermis also has cells with melanin, the dark pigment ...
    https://medlineplus.gov/ency/anatomyvideos/000029.htm -