The skins purpose is to protect your internal organs. The first layer of the skin is called the epidermis. It has two different layers. The inner layer is alive and the outer layer is dead. The epidermis protects everything that is in the dermis. The dermis is the second layer of he skin. The dermis contains all of the "equipment" such as sweat glands, hair follicles, nerve endings, etc. There are various types of nerve endings, including heat sensitive, cold sensitive, pressure sensitive, itch sensitive, and pain sensitive. All of the nerve endings in your skin can help prevent from burns, by warning you.

Skin