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A OK class, so today we are going to continue with our anatomy class, today we will review everything we have learned. Can anyone tell me what the first major organ is? 好的，同学们，今天我们将继续学习人体解剖学课。有谁能告诉我第一个重要的器官是什么吗?

B The brain! 大脑!

A That's right, the brain! It serves as a control center for the body, handling the processes of the central nervous system as well as cognition. Then what major organ is in our chest? 说的对，大脑!它是全身器官的控制中心，它管理者中枢神经系统和人的认知能力。那么在我们的胸腔里是什么主要器官?

B The heart! 心脏!

A Very good! It pumps blood throughout the body, using the circulatory system such as blood vessels and veins. Now let's not forget that our lungs provide oxygen to our heart and body to keep us alive! Now what about the organs that help us digest food? 非常好!她能够将血液传送到身体的各个部位，借助血液循环系统，比如血管和静脉。还有，不要忘记我们的肺提供氧气到我们的心脏和身体以保证我们活着!知道什么器官可以帮助我们尝食物吗?

B The stomach and intestines! 胃和肠子!

A Very good! Let's not forget that the stomach is the one that breaks down our food and our intestines process that food and then expel the waste. Are we forgetting anything? 非常好!记住胃是用来分解食物的，并且肠子消化食物然后排泄废物。我们还缺什么吗?

B Yeah! Our kidneys, liver and bladder! 是的!我们的肾，肝脏和膀胱!

A Oh yes, you are right. Very important organs indeed. 哦，是的，你是对的。确实都是非常重要的器官。

B So what do these organs do, teacher? 所以这些器官都是做什么的，老师?

A Well, ummm, they...Time for a break! We can talk about it when you get back. 嗯，它们……休息一下!回来后我们在接着讨论。