Many neurotransmitters that carry signals between neurons in your brain work this way.

在脑部神经元细胞中,传递信号的神经递质分子的,作用原理就是如此

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Now, how they carry signals is that these neurotransmitters act as ligands.

它们传递信号的原理如下,神经递质作为一种配体

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There are sensory neurons, which take information from the world so as you see me, for instance, there are neurons firing from your retina sending signals to your brain.

感觉神经元,负责收集外界信息,比如,当你看到我的时候,视网膜上的神经元会产生神经冲动,将刺激信号传递到你的大脑

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The nervous system does the same thing in a different way.

神经系统也传递信号,但原理有所不同

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