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?
Though you may not pay attention to it unless you're sick, you're always breathing more heavily from one nostril than the other.
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。
During the day, the sides switch and the other nostril goes into 'work mode', but why?
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?
This process is automated by the aptly named autonomic nervous system, which is the same system that controls many things your body does all by itself such as digestion and heart rate.
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。
For your nose, this system controls your 'nasal cycle', so that each nostril operates effectively.
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。
The nasal cycle happens, according to the US National Library of Medicine, several times during the day, and is only brought to your attention if your nose is clogged up more than usual.
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