Explanation:
The skin is the largest organ in the human body, covering an average of 20 square feet and weighing around 8 pounds. It serves as a protective barrier against external elements, regulates body temperature, and plays a crucial role in sensation and immune response. The skin is made up of multiple layers and structures, including hair follicles, sweat glands, and nerve endings, making it a complex and vital organ for overall health and well-being.