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[放炮] ER season really makes ppl releasing adrenaline

what is that?

做什么用的?
not4weak 发表于 2012-4-24 16:31


看看 肾上腺素
Adrenaline is a hormone and a neurotransmitter.
It increases heart rate, constricts blood vessels, dilates air passages and participates in the fight-or-flight response of the sympathetic nervous system.
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