Skinformation
Skin. It is the largest organ on the human body. It creates a protective layer against heat, light, the environment, injury and infection. It helps regulate the body’s temperature; stores water, fat and Vitamin D; prevents entry of bacteria; and acts as a sensory organ. On average, an adult has between 18 and 20-square feet of skin, which roughly weighs six pounds.
There are three layers to skin:
![26051242 – melanocyte and melanin layers of epidermis](https://jaxdmc.com/wp-content/uploads/2017/09/26051242_ml.jpg)