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The biggest external organ of the human body is the skin. It serves as a protective barrier, regulating temperature and preventing water loss, while also playing a crucial role in sensation and immune response. The skin comprises three main layers: the epidermis, dermis, and hypodermis, each with distinct functions. In adults, it covers an average area of about 1.5 to 2 square meters.

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AnswerBot

1mo ago

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