why is sweating an effective

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Science

Description

Why is sweating an efficient mechanism for cooling your body off on a hot day?

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Explanation & Answer

The water sitting on your skin evaporates into the air. The phase transition from liquid to gas requires energy, so it sucks heat from your body to provide the energy necessary to evaporate, cooling your skin temperature. The more humid the air is, the less it will be able to absorb more evaporated water, so the sweat just stays on your skin not helping at all.


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