Question

How do human sweat and dogs pant

Answer 1

My answer -

As mentioned above, humans have sweat glands over their entire bodies; the only place dogs (and cats, and many other animals with fur over their whole bodies) can get rid of excess heat is through the tongue. By the way, sweating/panting is NOT a means of getting rid of excess water; it is a way of getting rid of heat. We do this because of the process of evaporation. In changing from liquid to vapor, the water absorbs heat from the surface on which it is laying. Actually, most organisms do not want to get rid of excess water; they need to conserve it, but on very hot days animals "spend" the water to achieve the cooling.

P.s

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Answer 2

We as humans have something called sweat glands. It gives us the ability to perspire and to cool our bodies down. That is why we sweat. Dogs don't have sweat glands like we do, so they pant to cool themselves down, along with laying on a cold surface. but for them, their body heat leaves from their nose.