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2024-08-13 bf781fe79d3f2babeeaa9dd55e5f4a5da04e9977
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    <meta name="description" content="爬行类与两栖类乌龟 Turtle龟壳本质上是肋骨,并与脊椎骨融为一体。人的胸骨只能包裹心肺等器官,但乌龟的肋骨不断发育,并将肩胛骨和盆骨都包裹了起来,紧急时,还能照顾头和四肢。 青蛙 Frog蛙的大腿、小腿和脚掌是一样长的,平时呈Z字形收缩,一旦打开,就会像弹簧一样,爆发惊人的弹跳力。青蛙没有肋骨,腹部极为柔软,跳跃着地时起到缓冲作用。因为没有肋骨,无法通过胸部起伏将空气送入肺部,而是通过口腔将空">
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<meta property="og:description" content="爬行类与两栖类乌龟 Turtle龟壳本质上是肋骨,并与脊椎骨融为一体。人的胸骨只能包裹心肺等器官,但乌龟的肋骨不断发育,并将肩胛骨和盆骨都包裹了起来,紧急时,还能照顾头和四肢。 青蛙 Frog蛙的大腿、小腿和脚掌是一样长的,平时呈Z字形收缩,一旦打开,就会像弹簧一样,爆发惊人的弹跳力。青蛙没有肋骨,腹部极为柔软,跳跃着地时起到缓冲作用。因为没有肋骨,无法通过胸部起伏将空气送入肺部,而是通过口腔将空">
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            <div class="post-toc animated"><ol class="nav"><li class="nav-item nav-level-3"><a class="nav-link" href="#%E7%88%AC%E8%A1%8C%E7%B1%BB%E4%B8%8E%E4%B8%A4%E6%A0%96%E7%B1%BB"><span class="nav-number">1.</span> <span class="nav-text">爬行类与两栖类</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#%E4%B9%8C%E9%BE%9F-Turtle"><span class="nav-number">1.1.</span> <span class="nav-text">乌龟 Turtle</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E9%9D%92%E8%9B%99-Frog"><span class="nav-number">1.2.</span> <span class="nav-text">青蛙 Frog</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E8%9C%A5%E8%9C%B4-Lizard"><span class="nav-number">1.3.</span> <span class="nav-text">蜥蜴 Lizard</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E9%B3%84%E9%B1%BC-Crocodile"><span class="nav-number">1.4.</span> <span class="nav-text">鳄鱼 Crocodile</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E9%A3%9E%E8%9C%A5-Flying-Lizard"><span class="nav-number">1.5.</span> <span class="nav-text">飞蜥 Flying Lizard</span></a></li></ol></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%93%BA%E4%B9%B3%E7%B1%BB%EF%BC%88%E9%99%86%E5%9C%B0%EF%BC%89"><span class="nav-number">2.</span> <span class="nav-text">哺乳类(陆地)</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#%E5%A4%A7%E8%B1%A1-Elephant"><span class="nav-number">2.1.</span> <span class="nav-text">大象 Elephant</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E9%95%BF%E9%A2%88%E9%B9%BF-Giraffe"><span class="nav-number">2.2.</span> <span class="nav-text">长颈鹿 Giraffe</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E7%8A%AC-Dog"><span class="nav-number">2.3.</span> <span class="nav-text">犬 Dog</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E9%A9%AC-Horse"><span class="nav-number">2.4.</span> <span class="nav-text">马 Horse</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E7%8B%AE%E5%AD%90-Lion"><span class="nav-number">2.5.</span> <span class="nav-text">狮子 Lion</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E6%A0%91%E8%A2%8B%E7%86%8A-Koala"><span class="nav-number">2.6.</span> <span class="nav-text">树袋熊 Koala</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E6%A0%91%E6%87%92-Sloth"><span class="nav-number">2.7.</span> <span class="nav-text">树懒 Sloth</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E5%85%94%E5%AD%90-Rabbit"><span class="nav-number">2.8.</span> <span class="nav-text">兔子 Rabbit</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E7%8A%B0%E7%8B%B3-Armadillo"><span class="nav-number">2.9.</span> <span class="nav-text">犰狳 Armadillo</span></a></li></ol></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E5%93%BA%E4%B9%B3%E7%B1%BB%EF%BC%88%E6%B0%B4%E6%A0%96%E3%80%81%E5%9C%B0%E4%B8%8B%E3%80%81%E7%A9%BA%E4%B8%AD%EF%BC%89"><span class="nav-number">3.</span> <span class="nav-text">哺乳类(水栖、地下、空中)</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#%E9%B2%B8-Whale"><span class="nav-number">3.1.</span> <span class="nav-text">鲸 Whale</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E9%BC%B9%E9%BC%A0-Mole"><span class="nav-number">3.2.</span> <span class="nav-text">鼹鼠 Mole</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E8%9D%99%E8%9D%A0-Bat"><span class="nav-number">3.3.</span> <span class="nav-text">蝙蝠 Bat</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E6%B5%B7%E7%8B%AE-Sea-Lion"><span class="nav-number">3.4.</span> <span class="nav-text">海狮 Sea Lion</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E6%B2%B3%E9%A9%AC-Hippopotamus"><span class="nav-number">3.5.</span> <span class="nav-text">河马 Hippopotamus</span></a></li></ol></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E9%B8%9F%E7%B1%BB"><span class="nav-number">4.</span> <span class="nav-text">鸟类</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#%E9%B8%9F-Bird"><span class="nav-number">4.1.</span> <span class="nav-text">鸟 Bird</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E7%81%AB%E7%83%88%E9%B8%9F-Flamingo"><span class="nav-number">4.2.</span> <span class="nav-text">火烈鸟 Flamingo</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E7%8C%AB%E5%A4%B4%E9%B9%B0-Owl"><span class="nav-number">4.3.</span> <span class="nav-text">猫头鹰 Owl</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#%E4%BC%81%E9%B9%85-Penguin"><span class="nav-number">4.4.</span> <span class="nav-text">企鹅 Penguin</span></a></li></ol></li></ol></div>
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          《跟动物交换身体》笔记
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      <time title="Created: 2024-08-06 00:00:00" itemprop="dateCreated datePublished" datetime="2024-08-06T00:00:00+08:00">2024-08-06</time>
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    <div class="post-body" itemprop="articleBody"><h3 id="爬行类与两栖类"><a href="#爬行类与两栖类" class="headerlink" title="爬行类与两栖类"></a>爬行类与两栖类</h3><h4 id="乌龟-Turtle"><a href="#乌龟-Turtle" class="headerlink" title="乌龟 Turtle"></a>乌龟 Turtle</h4><p>龟壳本质上是肋骨,并与脊椎骨融为一体。人的胸骨只能包裹心肺等器官,但乌龟的肋骨不断发育,并将肩胛骨和盆骨都包裹了起来,紧急时,还能照顾头和四肢。</p>
<h4 id="青蛙-Frog"><a href="#青蛙-Frog" class="headerlink" title="青蛙 Frog"></a>青蛙 Frog</h4><p>蛙的大腿、小腿和脚掌是一样长的,平时呈Z字形收缩,一旦打开,就会像弹簧一样,爆发惊人的弹跳力。青蛙没有肋骨,腹部极为柔软,跳跃着地时起到缓冲作用。因为没有肋骨,无法通过胸部起伏将空气送入肺部,而是通过口腔将空气吸入肺中,并通过皮肤辅助呼吸。</p>
<h4 id="蜥蜴-Lizard"><a href="#蜥蜴-Lizard" class="headerlink" title="蜥蜴 Lizard"></a>蜥蜴 Lizard</h4><p>人的腿长在身体下方,蜥蜴的腿长在身体两侧,这导致了蜥蜴无法站立。做俯卧撑时,伸直手臂比弯曲手臂更能撑住身体,这可能是蜥蜴无法演化出更庞大体型的原因,这样的爬行方式难以支撑过于沉重的身体。</p>
<h4 id="鳄鱼-Crocodile"><a href="#鳄鱼-Crocodile" class="headerlink" title="鳄鱼 Crocodile"></a>鳄鱼 Crocodile</h4><p>人类通过活动下颚张嘴,鳄鱼通过活动上颚张嘴。鳄鱼咬住猎物后不松口,拖入水中原地翻转,通过这种“死亡翻滚”的方式将猎物撕裂并整口吞下。它们的牙齿异常锋利,可多次换牙,脱落后,快速长出新牙。</p>
<h4 id="飞蜥-Flying-Lizard"><a href="#飞蜥-Flying-Lizard" class="headerlink" title="飞蜥 Flying Lizard"></a>飞蜥 Flying Lizard</h4><p>飞蜥的肋骨向外打开,皮膜包裹,像是一把撑开的伞,从高高的树枝上跃起,借势在空中滑翔。</p>
<h3 id="哺乳类(陆地)"><a href="#哺乳类(陆地)" class="headerlink" title="哺乳类(陆地)"></a>哺乳类(陆地)</h3><h4 id="大象-Elephant"><a href="#大象-Elephant" class="headerlink" title="大象 Elephant"></a>大象 Elephant</h4><p>大象的鼻子其实是由鼻子和上唇融为一体组成,顶端还有一个突起,可以抓住较小的物体。</p>
<h4 id="长颈鹿-Giraffe"><a href="#长颈鹿-Giraffe" class="headerlink" title="长颈鹿 Giraffe"></a>长颈鹿 Giraffe</h4><p>长颈鹿和大部分哺乳类动物一样,拥有7块颈椎骨,只是每块都特别长。长颈鹿血压特别高,达到260mmHg,是人类的两倍多,是世界上血压最高的动物。</p>
<h4 id="犬-Dog"><a href="#犬-Dog" class="headerlink" title="犬 Dog"></a>犬 Dog</h4><p>狗用脚趾行走,属于趾行,人用脚掌走路,属于跖行,马用指甲走路,属于蹄行。</p>
<h4 id="马-Horse"><a href="#马-Horse" class="headerlink" title="马 Horse"></a>马 Horse</h4><p>马蹄经过演化,最终只剩下中趾。</p>
<h4 id="狮子-Lion"><a href="#狮子-Lion" class="headerlink" title="狮子 Lion"></a>狮子 Lion</h4><p>狮子需要有力的前肢捕获猎物,所以,肩胛骨巨大且结实。这样的身体结构,帮助狮子在靠近猎物时,善于匍匐潜行。现存猫科动物,主要分猫亚科和豹亚科,除开体型上的差距,豹亚科会咆哮。</p>
<h4 id="树袋熊-Koala"><a href="#树袋熊-Koala" class="headerlink" title="树袋熊 Koala"></a>树袋熊 Koala</h4><p>树袋熊的手指呈现“2+3”状态,食指和拇指与其他三个指头分开,这样的指头方便抓握树枝。树袋熊只吃桉树叶,但桉树叶有毒,它有很长的肠道以及解毒菌群,来防止中毒。新生的树袋熊宝宝没有解毒菌群,要靠吃妈妈的便便来获取肠道菌群。</p>
<h4 id="树懒-Sloth"><a href="#树懒-Sloth" class="headerlink" title="树懒 Sloth"></a>树懒 Sloth</h4><p>树懒除了一周一次到地面排泄外,其他时间几乎都挂在树上,它有又长又弯的爪子用来悬挂,不需要用到肌肉力量。</p>
<h4 id="兔子-Rabbit"><a href="#兔子-Rabbit" class="headerlink" title="兔子 Rabbit"></a>兔子 Rabbit</h4><p>兔子可以通过转动耳朵听到更远的声音,方便获取信息逃跑。大耳朵还可以散热,大象和耳郭狐的耳朵也有散热功效,所以,通常越热的地区,动物耳朵越大。</p>
<h4 id="犰狳-Armadillo"><a href="#犰狳-Armadillo" class="headerlink" title="犰狳 Armadillo"></a>犰狳 Armadillo</h4><p>犰狳的背部覆盖无数块骨质甲,形成异常坚硬的铠甲。</p>
<h3 id="哺乳类(水栖、地下、空中)"><a href="#哺乳类(水栖、地下、空中)" class="headerlink" title="哺乳类(水栖、地下、空中)"></a>哺乳类(水栖、地下、空中)</h3><h4 id="鲸-Whale"><a href="#鲸-Whale" class="headerlink" title="鲸 Whale"></a>鲸 Whale</h4><p>鲸的前鳍类比人的手,只是鲸的手指和手臂一样长,鲸的身体完全适应游泳,前鳍灵活转向,尾鳍推动前行,颈椎稳固减少阻力。</p>
<h4 id="鼹鼠-Mole"><a href="#鼹鼠-Mole" class="headerlink" title="鼹鼠 Mole"></a>鼹鼠 Mole</h4><p>鼹鼠生活在土里,在地下移动阻力太大,所以进化出了又短又粗的前肢,长期生活在地下,它们视力已经完全退化,如果到了地面,会因无法辨别光亮,被热死。</p>
<h4 id="蝙蝠-Bat"><a href="#蝙蝠-Bat" class="headerlink" title="蝙蝠 Bat"></a>蝙蝠 Bat</h4><p>蝙蝠是唯一能自由飞翔的哺乳动物,它的前肢指骨像伞骨一样,又长又细,指骨之间有皮膜,皮膜一直向后延伸覆盖至后肢。为了减少体重飞行,蝙蝠的后肢退化,无法站立,必须加以折翅才能在地上爬行,但蝙蝠的后肢可以通过,后肢肌腱和腱鞘的咬合,让后肢像钩子一样,可以把蝙蝠倒挂起来。蝙蝠拥有回声定位系统,发出超声脉冲来感知障碍物和猎物,让它可以在夜间自由飞行,这是属于蝙蝠的特技。</p>
<h4 id="海狮-Sea-Lion"><a href="#海狮-Sea-Lion" class="headerlink" title="海狮 Sea Lion"></a>海狮 Sea Lion</h4><p>海狮的前臂和鲸类似,但总体略长,因为还需要在陆地上行走。鳍脚类有海豹科、海狮科和海象科,海豹比海狮善于游泳,海狮比海豹善于行走,海象则介于两者之间,游泳和行走都不错。</p>
<h4 id="河马-Hippopotamus"><a href="#河马-Hippopotamus" class="headerlink" title="河马 Hippopotamus"></a>河马 Hippopotamus</h4><p>河马凶残好斗,经常张开大口露出獠牙威胁对手,它的嘴巴可以张开150度,人类只能张开30度。虽然河马吃草,但是领地意识非常强,据说在动物界制造杀戮最多的不是狮子鳄鱼,而是河马,它可以将鳄鱼咬成两段。与憨厚的外表不同,河马还跑得非常快,可以达到每小时40千米。经过DNA分析,与鲸关系最近的动物是河马,环境对动物外貌的影响是巨大的。</p>
<h3 id="鸟类"><a href="#鸟类" class="headerlink" title="鸟类"></a>鸟类</h3><h4 id="鸟-Bird"><a href="#鸟-Bird" class="headerlink" title="鸟 Bird"></a>鸟 Bird</h4><p>飞行需要不断拍打翅膀,所以鸟类的胸肌特别发达。为了轻松起飞,鸟类需要减轻体重,它们的骨头是中空的。</p>
<h4 id="火烈鸟-Flamingo"><a href="#火烈鸟-Flamingo" class="headerlink" title="火烈鸟 Flamingo"></a>火烈鸟 Flamingo</h4><p>我们看到的火烈鸟的长腿,只是它的小腿,中间像膝盖的关节其实是它的脚踝,真正的膝盖被羽毛覆盖,长期保持屈膝状态,大腿非常短。火烈鸟经常单腿站立,因为这样更容易保持平衡。</p>
<h4 id="猫头鹰-Owl"><a href="#猫头鹰-Owl" class="headerlink" title="猫头鹰 Owl"></a>猫头鹰 Owl</h4><p>人有7块颈椎骨,可以旋转180度,猫头鹰有14块颈椎骨,可以旋转270度。猫头鹰的双眼都向前,并且不能转动,所以要经常转动脖子获取视野。猫头鹰的两只耳朵位置不对称,所以听到的声音时间和强弱会有所不同,配合脖子不停转动,听声辩位,夜间也能精准找到猎物的位置。</p>
<h4 id="企鹅-Penguin"><a href="#企鹅-Penguin" class="headerlink" title="企鹅 Penguin"></a>企鹅 Penguin</h4><p>企鹅看起来像是直立,其实也是长期保持屈膝状态。企鹅不需要飞,而且需要潜水,所以企鹅的骨头是实心的。企鹅前肢呈鳍状,羽毛呈鳞片状,身体大部分关节都是固定的,这样的结构,让企鹅非常擅长游泳,可以达每小时30千米。绝大部分企鹅都生活在南极,但位于赤道附近的科隆群岛上也有企鹅——科隆企鹅,来自南极的寒流让位于该岛相对寒冷(隶属厄瓜多尔),这是发现最北的企鹅。</p>
 
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