Adenosine then binds to more and more sites on cells in certain areas of the brain, as the total amount released gradually increases during wakefulness.
当腺苷在清醒状态下释放的总量逐渐增加时，腺苷就会与大脑特定区域越来越多的细胞结合。
2
Other studies have shown that greater stimulation not only affects the size of the brain but also increase the number of connections between the nerve cells.
其他研究表明，更大的刺激不仅会影响大脑的大小，还会增加神经细胞之间连接的数量。
3
The signaling in a plant is only superficially similar to the firing in a complex animal brain, which is more than "a mass ofcells that communicate by electricity," Taiz said.