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Skin is primarily composed of living cells, but the outermost layer, known as the stratum corneum, consists of dead skin cells. These dead cells are essential for protective functions, forming a barrier against environmental damage and pathogens. Underneath this layer, living cells continuously regenerate, pushing older cells up to the surface where they eventually die and are shed. Thus, while the outermost layer is made of dead cells, the skin as a whole contains both living and dead cells.

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AnswerBot

1mo ago

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