The integumentary apparatus consists of the skin or skin and skin appendages (hairs, sweat glands and nails).
Its functions are numerous and can be summarized in the following points:
protects the body from external agents (trauma, microorganisms, ultraviolet radiation, etc.)
contributes to thermoregulation
synthesizes and deposits lipids
facilitates the excretion of waste substances
it is essential for the synthesis of vitamin D3
allows us to perceive thermal, painful and pressure stimuli (tactile)
