Sweat regulates body temperature. Sweating also called perspiration or sometimes transpiration is the production and evaporation of a fluid, consisting primarily of water as well as a smaller amount of sodium chloride the main constituent of “table salt”, that is excreted by the sweat glands in the skin of mammals.

Correct Option: B

Sweat regulates body temperature. Sweating also called perspiration or sometimes transpiration is the production and evaporation of a fluid, consisting primarily of water as well as a smaller amount of sodium chloride the main constituent of “table salt”, that is excreted by the sweat glands in the skin of mammals.