Your brain is built of cells called neurons and glia - hundreds of billions of them. Each one of these cells is as complicated as a city.
你的大脑是由叫做神经元和神经胶质的细胞构成的，它们有数千亿。每一个细胞都像城市一样复杂。
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Brain
你的大脑是由叫做神经元和神经胶质的细胞构成的，它们有数千亿。每一个细胞都像城市一样复杂。