“医学英语阅读：大脑”相信是准备学习医学英语的朋友比较关注的事情，为此，医学教育网小编整理内容如下：

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.

大脑掌控者人体的每一个动作、思想和过程；但是又是什么让大脑行使职责呢？由大约1000亿个单个个体（叫做“神经元”或“神经细胞”）组成的细胞网让大脑能够思想，记忆，听到交响乐，享受日落，爱和想象。神经元告诉我们的身体去移动、呼吸和创造。

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.

组成人体大脑的神奇神经元网使之成为地球上最复杂的大脑。大脑之所以复杂不是在它的大小，而是在它的才能。海豚，鲸鱼和大象的大脑大小都比人类的大，但是比大脑和身体大小的比值，我们人类是最大的。在人类中大脑的大小并不影响智力。

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.

爱因斯坦死后对他大脑的调查显示他的大脑不比其他人的大。考虑到大脑的复杂性，大脑需要高度发达的交流系统来协调所有的神经元。这个系统是以电化学冲动为基础的。跟电脑一样，这些冲动在回路间传导。跟电脑不一样的是，这些冲动信号是化学反应产生的。

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.

这些化学传播物质叫做神经递质，它们负责神经元之间不可思议地快速的交流。想象一下当听到好消息后你是多快感到高兴吧。神经传递的快速精准让我们能对周围世界产生反应，最终使我们得以生存。

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