大腦煞車與心碎

EPISODE · Apr 15, 2026 · 21 MIN

大腦煞車與心碎

from 『身體不思議』Amazing Facts of Human Body · host 解剖知識+

心臟的日常就是在永無止境的「收縮擠血」與「放鬆補血」循環中。你聽到的「噗通、噗通」心跳聲(Lub-Dub),其實是它用力甩上單向門(瓣膜)的聲音!為了達成供血KPI(心輸出量),心臟受神經系統的雙重操控:交感神經像「狂踩油門」催促心跳,副交感神經則是「踩煞車」防止暴衝。要是你灌太多咖啡或面臨生死關頭,它就會加班狂飆;最玄的是,要是遇到失戀等重大情感打擊,這顆超強幫浦真的會得「心碎症候群」而心力交瘁、直接罷工崩潰喔! 留言告訴我你對這一集的想法: Powered by Firstory Hosting

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大腦煞車與心碎

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