Why Do People Sweat?


Quick Answer

Humans have a fairly rare ability to sweat, which allows them to excrete a salty liquid in order to cool the skin. This is essential to sustain endurance activities without overheating.

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Full Answer

Sweating, also called perspiration, is created by glands in the skin called sweat glands. Humans are capable of sweating between 67 and 135 ounces liters of water in a single hour. The amount of sweat a person secretes depends on a wide variety of genetic factors as well as the amount of body stored in the water. Other animals, such as horses and most primates, also possess a limited ability to perspire, but only horses primarily do it to control temperature.

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