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不可思议:鲜为人知人体十大最不寻常秘密(图)(4)
2007-09-06 09:20:37 【大 中 小】 发表评论
    
    4、鼻内细胞纤毛排出鼻涕
    
    我们的身体内存在很多叫做纤毛的细胞，它对我们的许多器官的功能都有帮助，在鼻子中，纤毛能帮助鼻涕从鼻腔中排到咽喉处。冷天气能减慢这一排出过程，导致粘液阻塞，让你鼻涕不断。
    
不可思议:鲜为人知人体十大最不寻常秘密(图)

    
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