MICROANATOMY

Detailed explanation-1: -The skin performs six primary functions which include, protection, absorption, excretion, secretion, regulation and sensation. The skin functions as our first line of defense against toxins, radiation and harmful pollutants. Skin contains cells that provide immune functions to protect against infections.

Detailed explanation-2: -It helps shield the delicate tissues underneath from mechanical and other injuries. Excretion: the skin is a site through which we can excrete urea and other wastes via the sweat (the skin is not as important as the kidneys in terms of excretion) The skin is an important part of the sensory system.

Detailed explanation-3: -protection. the skin protects the body from injury and bacterial invasion. sensation. by stimulating different sensory nerve endings, the skin responds to heat, cold, touch, pressure, and pain. heat regulation. the skin protects the body from the environment. excretion. secretion. absortion.