Function of the Skin

Function	Structure
Protection from harmful agents of external environment: biological germs, ultraviolet light & chemicals	Epidermis
Preservation of a balanced internal environment	Epidermis
Shock absorber	Subcutaneous fat
Temperature regulation	Blood vessels & eccrine sweat glands
Insulation	Subcutaneous fat
Sensation	Nerve endings
Lubrication	Sebaceous glands
Protection & grip	Nails
Calorie reserve	Subcutaneous fat
Vitamin D synthesis	Epidermis
Body odour	Apocrine sweat glands
Psychosocial	Hair & Nails