Why do people sweat when they get nervous?

Answer:
Adrenaline causes their heart to pump faster which sends more blood all over your body faster, kinda like if you were running. With all that movement (even though you're not really moving) will cause you to get hot (which also causing blushing). Since sweating is the natural way to kool yourself off, your muscles will produce sweat.
Hope this helps =)

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adrenalin

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