Jumat, 08 April 2011

SKIN

Skin is an important organt of the human body. It covers all of the body and performs many special functions.
Skin the largest organ in the human body. Its weight between two and three kilograms and is either glabrous or hairy.glabrous skin is that found on the palms of the hand and the souls of the feet. It is smooth and hairless. Hairy skin cover the rest of the body and this varies in texture, thickness and amount of hair.
Skkin is made up of two layers. The outer layer is theepidermis. This is mainly dead or dying skin cells. Beneath the epidermis is the dermis. The dermis is madefrom tougher fibres and is thicker than the epidermis. Within the dermis are nerves, blood vessles and glands.
Skin does a number of important things for the body. It provides a protective covering for the body, helps to prefent the body from drying out, holds the body organs in place and regulates the body’s temperature.
The skin, therefore, is a complex part of the human body.

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