Sweat

For the plumbing term, see: soldering Sweating (also called perspiration or sometimes transpiration) is the loss of a watery fluid, consisting mainly of sodium chloride (commonly known as salt) and urea in solution, that is secreted by the sweat glands in the skin of mammals. Sweat also consist of the chemicals or odorants 2-methylphenol and 4-methylphenol. In humans, sweating is primarily a means of temperature regulation. Evaporation of sweat from the skin surface has a cooling effect du ...