The Skin may be regarded an exposed portion of the nervous system tem. It would, therefore, improve our understanding of these matters if we were to think and speak of the skin as the external nervous system, an organ system which its earliest differentiation remains in intimate association with the internal or central nervous system. The Skin fabric is on continuous state of renewal by activity of the cells n its deep layers. Every four hours or so, the skin forms two new layers of cells. Skin and gut cells can apparently divide hundreds and thousands of times during the lifetime of a person.
Skin cells shed at the rate of more than a million every hour.
Soft, smooth source of youth's vanity, skin later bears wrinkled witness to the toll of years. Radiant in healthy, it tingles to the affectionate touch. The bodies largest organ, the adult male has 19 square feet of skin, weighing about 8 pounds, containing some 5 millions sensory cells, the skin constitutes some 12 percent of the total body weight. The Functions of the Skin Base for sensory receptors, the most important of which is touch. An organizer, information source and processor.