why do people perspire (sweet) a lot during hot humid day?
Answers
Answer:
In hot summer days the temperature of our body is high, and as a mechanism of cooling our bodies, we sweat and since the atmosphere around are bodies is dry (less amount of water vapour is present), the sweat evaporates, and thus, lowering our body temperature.
In hot humid days, sweating occurs due to high body temperature, but since the air around our bodies already contains water vapoUr in high amount (humidity), the sweat does not evaporate and we perspiring a lotOn dry days, sweat evaporates quickly, which means it also carries away heat faster. On humid days, when the air is already saturated with water,sweat evaporates more slowly. This explains why it feels so much hotter in high humidity..Hope this information is helpful.
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