Question

How does perspiration or sweating help keep our body cool on a hot day?​

Answer 1

Explanation:

perspiration or sweating help keep our body cool on a hot day because of due to evaporation because when the Sweat evaporates it gains energy from the surroundings of the environment and in this way the whole body becomes cool.

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Answer 2

Answer:

Explanation:

Evaporation of sweat causes a cooling effect due to latent heat of evaporation of water.

The sweat absorbs the excess heat from our body and thus we feel cool.