The largest organ in the human body is the skin. It serves as a protective barrier, regulates temperature, and allows sensations such as touch, heat, and cold.
The skin has three main layers: the epidermis, dermis, and subcutaneous tissue. The epidermis is the outer layer that provides a waterproof barrier and skin tone. Beneath it is the dermis, which contains connective tissue, hair follicles, and sweat glands. The deepest layer is the subcutaneous tissue, which is made of fat and connective tissue that helps insulate the body and absorb shocks.
On average, an adult’s skin covers about 21 square feet and weighs around 8 to 10 pounds, making it not only the largest organ but also one of the most vital for our survival. It plays a critical role in protecting our internal organs from external viruses, bacteria, and physical hazards.