Dermis the skin

The physical barriers include the skin, mucus membranes, epidermis and dermis. The skin maintains a low pH because of lactic and fatty acids. The mucus membranes in the respiratory system, urogenital system and gastrointestinal (GI) system create a substantial surface barrier. Epidermis and dermis constitute additional physical barriers. The dermis also produces sebum, which maintains an acidic pH due to its lactic and fatty acid content. 

Pseudo-hyperpigmentation of the forehead photograph taken on the 4th day after a Unideep peel to the papillary dermis. The skin has started to flake above the left eyebrow. 

A serious hazard associated with heat in the workplace is burns. Bums can be veiy dangerous because they dismpt the normal functioning of the skin, which is the body s largest organ and the most important in terms of protecting other organs. To understand the hazards of bums you have to understand the function and composition of the skin. Human skin consists of the outer epidermis and the inner layer known as the dermis. The skin has several important purposes, some which are ... 

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