Skin forms the outermost covering of the body stretched all over the body. It has the following functions:
- It primarily provides protection in these ways – prevents mechanical shocks, excess water loss, entry of disease-causing germs and protection against excess UV
- It serves as a sense organ for sensations such as pain, touch, pressure etc
- It is responsible to regulate temperature
- It stores food in the form of a layer of fat contained in special cells
- It synthesizes vitamin D when it is exposed to sunshine
