Why do human sweat and dogs pants ? explain the purpose and the reason why it is effected ?

Humans sweat because sometimes our bodies can overheat, like running on a hot Summer day. Sweat is water and sodium. When the water evaporates, the skin is cooled. Dogs, on the other hand, do not have all over sweat glands like us, only in their paws. Panting circulates air throughout a dog and helps them cool down. 

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