The next step up on the renewal scale is to replace an old tub or shower with a fiberglass or plastic insert that includes integrated wall panels. According to Paul Nygren, of Nygren Remodeling, Inc. , in Minneapolis, this type of job costs about $2,000 to $3,000.
After they reach the outermost layer of epidermis, they eventually shed. The fibrous protein i.e. keratin is meant to protect the skin and provides water-proof barrier to the skin. The Melanocytes: These are one of the types of cells in epidermis which produce pigment and give color to the skin.
Unsourced material may be challenged and removed. (November 2007) Protection from mechanical injury, chemical hazards, and bacterial invasion is provided by the skin because the epidermis is relatively thick and covered with keratin. Secretions from sebaceous glands and sweat glands also benefit this protective barrier.