副交感神经系统使身体放松。
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。
The sympathetic and para-sympathetic nervous systems are brought into a state of balance.
采取的活动，通过副交感神经系统的地方是自发发生的事情。
The activities that take place through the parasympathetic system are spontaneous happenings.
采取的活动，通过副交感神经系统的地方是自发发生的事情。
The activities that take place through the parasympathetic system are spontaneous happenings.
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