Answer :

lrathburn
There are five critical functions of skin. They are: Prevents loss of essential body fluids (blood), protects body from harmful effects of radiation and sun, allows for toxic substances to excrete (Sweat), supports the body by giving mechanical support, and regulates body temperature.

anjalee
Five of the major functions of the skin are
-Protection against disease
-Sensory response
-Formation of vitamin D 
-Maintaining body temperature 
-Waste exchange

                                  Hope this helps:)

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