Functions of the skin

Functions of the skin

1. Protection

   • Epidermis-damage,water loss,entry of pathogens
   • Melanin- ultraviolet radiation
   • Sebum Oil-keeps epidermis intact

2. Vitamin Production

   • Vitamin D made

3. Food Store

   • Fat stores energy

4. Excretion

   • Sweat removes water and salts from body

5. Sense organ

   • Has receptors-allow to sense touch,pain & temp

6. Temperature Regulation

   • Cold
     • Hair stands up
     • Blood vessels become narrow
     • Shivering
   • Warm
     • sweating
     • Blood vessels dialate (widen)