we feel cool in summers while sweating.give reason.

sweat carries excess heat to the surface of the body so it can dissipate. that's why it's important to stay hydrated in hot weather or while exercising. without that water, the heat would remain trapped in your body cause other health hazzards.

Sweat is a watery fluid that consists of metabolic wastes like water, sodium chloride, lactic acid, amino acids, urea, glucose, etc. Besides excreting metabolic wastes from the body, sweat also has a cooling effect on the body. On the other hand, sebaceous glands help in excretion of sebum which consists of lipids, fatty acids, etc.