CH 13 SKIN – THE JACK NOF ALL TRADES

Protection is the primary function of the skin because:- It protects the underlying tissues from mechanical shocks. It holds the body fluids inside and prevents excessive water loss by evaporation. It prevents harmful substances or disease-causing germs from entering our bodies. It protects the body against excess ultraviolet light which is potentially very harmful.

The functions of the skin are:- Protection Sensation Temperature regulation Storage of food Synthesis of Vitamin D Excretion

The skin is the outermost covering of the body. It is stretched all over in the form of a layer.