Some codes represent errors. Most others simply communicate the status of the connection. Here are brief explanations for the most common status and error codes. The list below are standard HTTP codes. Numbers outside this list are proprietary to the Server or Client that you are using.
The human skin is the outer covering of the body. In humans, it is the largest organ of the integumentary system. The skin has up to seven layers of ectodermal tissue and guards the underlying muscles, bones, ligaments and internal organs. Human skin is similar to that of most other mammals.
Integumentary System. The integumentary system consists of the skin, or cutaneous membrane and its accessory structures, such as the glands, hair, nails, muscle and nerves. It is the heaviest organ in the body and has the largest surface area. Structure of the Skin.