we feel cool after doing vigorous exercise ,why?
Answers
Explanation:
After the vigorous exercise we usually feel cooling effect in our body because while doing exercise it certainly Burns our calories and causes the certain heating in our body.As we know that Evaporation is a surface phenomenon, which gains the energy from it's nearly surroundings and then, the evaporation absorbs all the heat from our body and exposes it to the open atmosphere which causes certain cooling in our body and thus, it causes cooling in our body.
Exercising vigorously produces sweat in our body, which evaporates and we know that evaporation produces a cooling effect in the surroundings. Hence, our body heat is taken away by evaporation,that is why we feel cool after a vigorous exercise.
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when we perform vigorous exercise , body temperature increases . to get back the normal temperature of the body , it sweats gradually heart beat slows down to normal the sweet evaporates giving a cooling effect to the body. blood vessels dilate during exercise to release the heat produced and constrict after exercise to give cooling effect .