The skin is the largest organ in the human body. It covers the entire external surface and plays a crucial role in protecting the body from external elements and regulating temperature. It's a complex organ with three main layers: the epidermis, dermis, and hypodermis. Why the skin is considered the largest:Surface Area: The skin's surface area in an average adult is about 20 square feet (approximately 2 square meters).Weight: It makes up around 15% of the total body weight.Functions: The skin protects the body from microbes, regulates body temperature, and allows for the sensation of touch, heat, and cold.