Why do we sweat?

Gnomon

In temperate dry climates, sweating cools us down. The water in the sweat evaporates using heat from our bodies, cooling us. In hot climates, there is not great cooling to be had from sweating, so races that live in these climates do not sweat. Jun 23 02, 10:59 PM

jimchamp110

Perspiration (also called sweating 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. Sweat also contains the chemicals or odorants 2-methylphenol (o-cresol) and 4-methylphenol (p-cresol). In humans, sweating is primarily a means of thermoregulation, although it has been proposed that components of male sweat can act as pheromonal cues. http://en.wikipedia.org/wiki/Sweat Apr 13 08, 7:50 AM

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