Regulates body temperature.

Prevents loss of essential body fluids, and penetration of toxic substances.

Protection of the body from harmful effects of the sun and radiation.

Excretes toxic substances with sweat.

Mechanical support.

Immunological function mediated by Langerhans cells.

Sensory organ for touch, heat, cold, socio-sexual and emotional sensations.

Vitamin D synthesis from its precursors under the effect of sunlight and introversion of steroids.
 


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