Q2 of 22 Page 17

Explain why dogs pant during hot summer days using the concept of evaporation? (AS 1)

Dogs have tongues with large surface area. The water molecules which are present on the surface of the tongue of a dog gets evaporated while panting. This evaporation cools the area. Hence, dogs pant during hot summer days as panting promotes cooling effect and relieves them from the heat.


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