“醫(yī)學(xué)英語閱讀：大腦”相信是準(zhǔn)備學(xué)習(xí)醫(yī)學(xué)英語的朋友比較關(guān)注的事情，為此，醫(yī)學(xué)教育網(wǎng)小編整理內(nèi)容如下：

The human brain controls every action， thought， and process of the body； but what makes the brain function？ A network of nearly 100 billion individual cells called neurons or nerve cells， allows the brain to think， remember， hear a symphony， enjoy a sunset， love and imagine. Neurons tell our bodies to move， breathe and create.

大腦掌控者人體的每一個(gè)動(dòng)作、思想和過程；但是又是什么讓大腦行使職責(zé)呢？由大約1000億個(gè)單個(gè)個(gè)體（叫做“神經(jīng)元”或“神經(jīng)細(xì)胞”）組成的細(xì)胞網(wǎng)讓大腦能夠思想，記憶，聽到交響樂，享受日落，愛和想象。神經(jīng)元告訴我們的身體去移動(dòng)、呼吸和創(chuàng)造。

The amazing network of neurons that forms the human brain makes it the most complicated brain on the planet.The complexity of the brain， not its size， accounts for its capacity. Dolphins， whales and elephants have larger brains， though in proportion to our body size， ours is the largest. Among humans it appears that brain size doesn't affect intelligence.

組成人體大腦的神奇神經(jīng)元網(wǎng)使之成為地球上最復(fù)雜的大腦。大腦之所以復(fù)雜不是在它的大小，而是在它的才能。海豚，鯨魚和大象的大腦大小都比人類的大，但是比大腦和身體大小的比值，我們?nèi)祟愂亲畲蟮?。在人類中大腦的大小并不影響智力。

An investigation of Einstein's brain after his death revealed that his brain was no larger than anyone else's.Given the brain's complexity， it requires a highly developed system of communication in order to coordinate all of its neurons. This system is based on electrochemical impulses. Like a computer， these impulses travel along circuits. Unlike computers， these signals are created chemically.

愛因斯坦死后對他大腦的調(diào)查顯示他的大腦不比其他人的大?？紤]到大腦的復(fù)雜性，大腦需要高度發(fā)達(dá)的交流系統(tǒng)來協(xié)調(diào)所有的神經(jīng)元。這個(gè)系統(tǒng)是以電化學(xué)沖動(dòng)為基礎(chǔ)的。跟電腦一樣，這些沖動(dòng)在回路間傳導(dǎo)。跟電腦不一樣的是，這些沖動(dòng)信號是化學(xué)反應(yīng)產(chǎn)生的。

These chemical transmissions are called neurotransmitters， and they are responsible for the incredibly rapid communication between neurons. Just imagine how quickly you feel happy after hearing good news. The speed and accuracy of these neurotransmissions are what let us react to the world around us， and ultimately， to survive.

這些化學(xué)傳播物質(zhì)叫做神經(jīng)遞質(zhì)，它們負(fù)責(zé)神經(jīng)元之間不可思議地快速的交流。想象一下當(dāng)聽到好消息后你是多快感到高興吧。神經(jīng)傳遞的快速精準(zhǔn)讓我們能對周圍世界產(chǎn)生反應(yīng)，最終使我們得以生存。

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