The Functions of Human Skin

The skin is the largest organ of the body. This elastic, protective covering is thinnest on the lips and eyelids and thickest on the palms and soles. Following are the six primary functions of the skin: Heat regulation

the skin regulates body temperature by sweating, which is the production of moisture by the sweat glands (suderiforous glands). The evaporation of this moisture enables the body to cool itself. Absorption

the epidermis layer of the skin contains an acid mantle layer which limits the amount of substances entering though the skin that affect the body to a minor degree. Secretion

the sebaceous glands excrete oil to lubricate and maintain the health of the skin. Protection

fat cells provide insulation and protection against trauma to the internal organs. The skin also protects itself from the harmful effects of light and acts as a barrier against the invasion of bacteria. Excretion

perspiration is the process by which the sweat glands excrete waste materials. Sensation

nerve endings in the skin allow us to feel heat, cold, touch, pleasure, pressure and pain.

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