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Cool down through this vital thermoregulatory process! Sweat is a salty liquid secreted by glands in the skin to regulate body temperature through evaporative cooling. This uniquely well-developed human ability enables sustained physical activity in hot conditions.
💧 Fun fact: Humans have 2-4 million sweat glands and can produce up to 3 gallons of sweat per day during intense exercise, and our superior sweating ability allowed early humans to outrun prey through persistence hunting!
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