“鼻屎”是什么呢？
<p> <span word="whats">whats</span> <span word="a">a</span> <span word="booger">booger</span>?</p><p> 不管你是长大了的好奇宝宝。还是长不大的十万个为什么，人体大探索都将成为你认识自己的好选择!鼻屎是什么?头发是怎么长出来的?人为什么会流血?这些问题，你是不是都困惑过?现在，你找到答案了吗?答案就在这里!</p><p> <span word="Hey">Hey</span>, <span word="get">get</span> <span word="your">your</span> <span word="finger">finger</span> <span word="outta">outta</span> <span word="there">there</span>! <span word="Instead">Instead</span> <span word="of">of</span> <span word="picking">picking</span> <span word="them">them</span> <span word="out">out</span>, <span word="lets">lets</span> <span word="learn">learn</span> <span word="about">about</span> <span word="those">those</span> <span word="little">little</span> <span word="blobs">blobs</span>. <span word="Yeah">Yeah</span>, <span word="were">were</span> <span word="talking">talking</span> <span word="about">about</span> <span word="boogers">boogers</span>.</p><p> 嘿，把你的手指拿出来!别再抠了，我们一起来研究一下这些小东西。没错，我们要说的正是鼻屎!</p><p> <span word="To">To</span> <span word="understand">understand</span> <span word="what">what</span> <span word="boogers">boogers</span> <span word="are">are</span>, <span word="you">you</span> <span word="need">need</span> <span word="to">to</span> <span word="know">know</span> <span word="about">about</span> <span word="mucus">mucus</span>. <span word="Mucus">Mucus</span> <span word="is">is</span> <span word="the">the</span> <span word="sticky">sticky</span>, <span word="slimy">slimy</span> <span word="stuff">stuff</span> <span word="thats">thats</span> <span word="made">made</span> <span word="inside">inside</span> <span word="your">your</span> <span word="nose">nose</span>. <span word="You">You</span> <span word="may">may</span> <span word="have">have</span> <span word="another">another</span> <span word="name">name</span> <span word="for">for</span> <span word="nose">nose</span> <span word="mucus">mucus</span>: <span word="snot">snot</span>. <span word="Your">Your</span> <span word="nose">nose</span> <span word="and">and</span> <span word="sinuses">sinuses</span> <span word="make">make</span> <span word="about">about</span> 1 <span word="liter">liter</span> <span word="of">of</span> <span word="snot">snot</span> <span word="every">every</span> <span word="day">day</span>.</p><p> 要了解鼻屎，我们就要先来认识黏液。黏液是我们鼻子里黏稠又粘滑的液体，你也可以叫它鼻涕。你的鼻子和鼻窦每天要分泌出大概一升的鼻涕。</p><p> <span word="Mucus">Mucus</span> <span word="has">has</span> <span word="a">a</span> <span word="pretty">pretty</span> <span word="important">important</span> <span word="job">job</span><span word="it">it</span> <span word="protects">protects</span> <span word="the">the</span> <span word="lungs">lungs</span>. <span word="When">When</span> <span word="you">you</span> <span word="breathe">breathe</span> <span word="in">in</span> <span word="air">air</span> <span word="through">through</span> <span word="your">your</span> <span word="nose">nose</span>, <span word="it">it</span> <span word="contains">contains</span> <span word="lots">lots</span> <span word="of">of</span> <span word="tiny">tiny</span> <span word="things">things</span>, <span word="like">like</span> <span word="dust">dust</span>, <span word="dirt">dirt</span>, <span word="germs">germs</span>, <span word="and">and</span> <span word="pollen">pollen</span>. <span word="If">If</span> <span word="these">these</span> <span word="made">made</span> <span word="it">it</span> <span word="all">all</span> <span word="the">the</span> <span word="way">way</span> <span word="to">to</span> <span word="the">the</span> <span word="lungs">lungs</span>, <span word="the">the</span> <span word="lungs">lungs</span> <span word="could">could</span> <span word="get">get</span> <span word="infected">infected</span>, <span word="making">making</span> <span word="it">it</span> <span word="tough">tough</span> <span word="to">to</span> <span word="breathe">breathe</span>. <span word="Luckily">Luckily</span>, <span word="snot">snot</span> <span word="helps">helps</span> <span word="trap">trap</span> <span word="this">this</span> <span word="stuff">stuff</span>, <span word="keeping">keeping</span> <span word="it">it</span> <span word="in">in</span> <span word="the">the</span> <span word="nose">nose</span> <span word="and">and</span> <span word="out">out</span> <span word="of">of</span> <span word="the">the</span> <span word="lungs">lungs</span>.</p>
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