SKIN FUNCTIONS

SKIN FUNCTIONS

1. PROTECTION

   • BODY'S FIRST LINE OF DEFENSE
   • PHYSICAL BARRIER AGAINST PATHOGENS, CHEMICALS, EXTREME TEMPS

2. SENSORY ORGAN ACTIVITY

   • SENSORY RECEPTORS CAN FEEL:
     • HOT/COLD
     • PAIN/PRESSURE
   • HELPS THE BODY RESPOND TO ITS OUTSIDE ENVIRONMENT

3. TEMP REGULATION

   • HOT
     • PRODUCES SWEAT THAT EVAPORATES AND HELPS COOL US OFF
   • COLD
     • VESSELS CONSTRICT TO LESSEN HEAT LOSS

4. EXCRETION

   • SWEAT
     • REGULATES CHEMICAL BALANCE WITHIN THE BODY

5. SYNTHESIS OF VIT D

   • WHEN EXPOSED TO UV RAYS, SKIN PRODUCES A VIT D PRECURSOR MOLECULE
   • VIT D FUNCTIONS
     • ABSORPTION OF CALCIUM
     • MAINTAIN CALCIUM AND PHOSPHOROUS VALUES
     • PROTECT AGAINST OSTEOPOROSIS
     • MAINTAIN FUNCTION IN MUSCLES, CLOTTING, AND IMMUNITY