你知道吗？为什么鼻子每次只堵一边？
<p>花粉过敏还没过去，空中又飘起了柳絮，春天对过敏性鼻炎的小伙伴们来说可真难熬。幸运的是，每次鼻子只堵一边，剩下一边还能让人喘口气，但这又是为什么呢？</p><p><span word="Though">Though</span> <span word="you">you</span> <span word="may">may</span> <span word="not">not</span> <span word="pay">pay</span> <span word="attention">attention</span> <span word="to">to</span> <span word="it">it</span> <span word="unless">unless</span> <span word="you">you</span>'<span word="re">re</span> <span word="sick">sick</span>, <span word="you">you</span>'<span word="re">re</span> <span word="always">always</span> <span word="breathing">breathing</span> <span word="more">more</span> <span word="heavily">heavily</span> <span word="from">from</span> <span word="one">one</span> <span word="nostril">nostril</span> <span word="than">than</span> <span word="the">the</span> <span word="other">other</span>.</p><p>除非生病了，否则你可能并不会注意到，你的一个鼻孔总是比另外一个呼吸更费力。</p><p><span word="During">During</span> <span word="the">the</span> <span word="day">day</span>, <span word="the">the</span> <span word="sides">sides</span> <span word="switch">switch</span> <span word="and">and</span> <span word="the">the</span> <span word="other">other</span> <span word="nostril">nostril</span> <span word="goes">goes</span> <span word="into">into</span> '<span word="work">work</span> <span word="mode">mode</span>', <span word="but">but</span> <span word="why">why</span>?</p><p>一天之中，两边的鼻孔可能会交换，另一侧的鼻孔进入“工作模式”。但这是为什么呢？</p><p><span word="This">This</span> <span word="process">process</span> <span word="is">is</span> <span word="automated">automated</span> <span word="by">by</span> <span word="the">the</span> <span word="aptly">aptly</span> <span word="named">named</span> <span word="autonomic">autonomic</span> <span word="nervous">nervous</span> <span word="system">system</span>, <span word="which">which</span> <span word="is">is</span> <span word="the">the</span> <span word="same">same</span> <span word="system">system</span> <span word="that">that</span> <span word="controls">controls</span> <span word="many">many</span> <span word="things">things</span> <span word="your">your</span> <span word="body">body</span> <span word="does">does</span> <span word="all">all</span> <span word="by">by</span> <span word="itself">itself</span> <span word="such">such</span> <span word="as">as</span> <span word="digestion">digestion</span> <span word="and">and</span> <span word="heart">heart</span> <span word="rate">rate</span>.</p><p>这一过程由自主神经系统自动控制，这个系统也控制着你身体自动运转的许多方面，比如消化和心率。</p><p><span word="For">For</span> <span word="your">your</span> <span word="nose">nose</span>, <span word="this">this</span> <span word="system">system</span> <span word="controls">controls</span> <span word="your">your</span> '<span word="nasal">nasal</span> <span word="cycle">cycle</span>', <span word="so">so</span> <span word="that">that</span> <span word="each">each</span> <span word="nostril">nostril</span> <span word="operates">operates</span> <span word="effectively">effectively</span>.</p><p>对你的鼻子而言，这一系统控制着你的“鼻子循环”，便于每个鼻孔有效工作。</p><p><span word="The">The</span> <span word="nasal">nasal</span> <span word="cycle">cycle</span> <span word="happens">happens</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="US">US</span> <span word="National">National</span> <span word="Library">Library</span> <span word="of">of</span> <span word="Medicine">Medicine</span>, <span word="several">several</span> <span word="times">times</span> <span word="during">during</span> <span word="the">the</span> <span word="day">day</span>, <span word="and">and</span> <span word="is">is</span> <span word="only">only</span> <span word="brought">brought</span> <span word="to">to</span> <span word="your">your</span> <span word="attention">attention</span> <span word="if">if</span> <span word="your">your</span> <span word="nose">nose</span> <span word="is">is</span> <span word="clogged">clogged</span> <span word="up">up</span> <span word="more">more</span> <span word="than">than</span> <span word="usual">usual</span>.</p>
页:
[1]