1·Since plants don't have nervous systems, the chances that they have consciousness are effectively zero.
由于植物没有神经系统，因此实际上它们拥有意识的可能性为零。
2·This affects their nervous systems and ability to produce baby birds, and can lead to kidney failures and death.
这会影响它们的神经系统和繁殖幼鸟的能力，并可能导致肾衰竭和死亡。
3·Play appears to be a developmental characteristic of animals with fairly sophisticated nervous systems, mainly birds and mammals.
玩耍似乎是具有相当复杂的神经系统的动物（主要是鸟类和哺乳动物）的一种发育特征。
4·These are the autonomic and somatic nervous systems.
这些是自主神经系统和躯体神经系统。
5·A likely moment occurs as the embryos' nervous systems begin to form.
有可能是在胚胎的神经系统开始形成的时候。
6·Its main toxic actions were on the digestive and nervous systems.
对犬的毒性主要表现为消化道和神经系统症状。
7·It's especially dangerous for children since their nervous systems are still developing.
为儿童的危险性更大，因为他们的神经系统还在发育。
8·The sympathetic and para-sympathetic nervous systems are brought into a state of balance.
交感神经和准交感神经系统正进入一个平衡的状态带来的。
9·The autonomic nervous system has two parts: the sympathetic and the parasympathetic nervous systems.
自主神经系统又分为两部分：交感神经系统和副交感神经系统。
10·However, if excessive toxin was consumed, the circulatory and nervous systems would be affected.
不过，吸取过多的毒素就会影响循环及神经系统。