- 神经系统 shénjīngxìtǒng nervous systemthe network of nerve cells and fibers that transmits nerve impulses between parts of the body; it includes the central nervous system and the peripheral nervous system
- 中枢神经系统 zhōngshūshénjīngxìtǒng central nervous systemcentral nervous system (CNS)
- 自主神经系统 zìzhǔshénjīngxìtǒng autonomic nervous systemThe part of the nervous system that controls involuntary functions like the internal organs, blood vessels, and glands; it is composed of the sympathetic and parasympathetic systems.
- 自律神经系统 zìlǜshénjīngxìtǒng autonomic nervous systemThe part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.
