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You don't want to generate a lot of cells that just start killing every cell inside your body.
你可不会希望产生一大堆这样的细胞,在你体内大开杀戒
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It's a machine that also looks inside your body, but looks inside in a different kind of way.
通过这种设备也能了解人体,但是以一种截然不同的方式
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You sneeze because you've got all these germs inside you and your body wants to get the germs out, so you sneeze.
你打喷嚏，因为细菌在你体内,你的身体想把他们赶出去，所以你打喷嚏。
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What insulin is doing inside your body is acting as a ligand for insulin receptors which stimulate certain kinds of cellular responses.
胰岛素在体内的功能就是作为,胰岛素受体的配体,刺激产生某种细胞效应
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It's a device called a deep brain stimulator, developed by a company called Medtronic, and it looks like a pacemaker that's implanted inside your body.
这个装置叫做深部脑刺激器,由美敦力公司研发,看上去像一个植入体内的起搏器
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The other thing that I want to do today is try to tie this discussion on vaccines a little bit more closely with what we talked about last week, in terms of what happens inside your body when you receive a vaccine or when you're exposed to an antigen, and how the immune system actually responds to that.
还有就是,我希望可以,把今天关于疫苗的讨论,与我们上周讲过的内容,结合得更紧密一些,当接种疫苗,或者是接触抗原时,人体将会发生怎样的变化,以及免疫系统对疫苗产生何种应答
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One of the functions of MHC is to indicate which cells belong inside your body, which cells don't.
HC的功能之一,是区分哪些细胞属于你的身体,而哪些不属于
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It allows us to look not just at the anatomy of what's going on inside your body like an x-ray does, but to look at the chemistry, the biochemistry of what's happening inside a particular organ or tissue in your body.
这种方法不仅能够像X射线那样,使我们从解剖学的角度观察体内的情况,还能了解到,在体内特定的组织和器官中,发生的化学 确切说是生物化学过程
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In order to have DNA you have to make DNA and your cells are continually making DNA inside your body, through a process of DNA synthesis and that synthesis is occurring because of the presence of an enzyme, a protein called DNA polymerase.
为了使每个细胞都具有DNA,身体通过一个叫做DNA合成的过程,不停的生产DNA,这个合成过程是在,一种酶的催化下进行的,这种酶叫做DNA聚合酶
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As time goes on, we've developed ever more complex machines to study people and we've talked about some of these already: EKG machines, so an example of an electrical device that can be used to monitor a very elaborate function deep inside your body, the beating of your heart and the rhythm of your heart.
如今,我们已经有功能更加复杂的设备,来研究人类,比如之前说到的心电图,我们使用电子装置,对身体内部机能进行精确地监控,具体到心电图就是心跳和心率
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It turns out the electrical potential or electricity that you can measure on the surface of the body reflects things that are happening deeper inside like the beating of your heart.
人们已经证明在体表测量得到的电势能,或者电信号,能够表征,像心跳这样,身体较深处的变化
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Inside cells in your body there are special RNA molecules called transfer RNA.
在你体内的细胞中,一种很特殊的RNA分子,称为转运RNA
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It's the way that DNA exists inside the cells of your body.
你身上细胞内的DNA就是这样子的
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