Question

Why do dogs pant in hot summer?

Answer 1

dogs do not have sweat glands so they release heat via their mouths.the only part of their body that sweat is there paws but even it is unnoticeable

Answer 2

yes this is possible due to evaporation .our body temperature comes down in evaporation . dogs pant by keeping their tongue outside , the saliva on the tongue evaporates by heat thus dogs feel cool