The Integumentary system is the organ system that protects the human body from damage. It consists of skin and its appendages, which include hair, nails, and sweat glands etc. It forms about 16 percent of the weight of the human body.


The Integumentary system has a variety of functions.

  • It serves as a waterproof cushion that protects deeper tissues.
  • It excretes wastes and regulates body temperature
  • It is the attachment site for different types of sensory receptors to detect pain, sensation, pressure, and temperature.
  • It is also a source of vitamin D synthesis which is required for the healthy human body.