sympathetic nervous system

US /ˌsɪm.pəˈθet.ɪk ˈnɜːr.vəs ˌsɪs.təm/
UK /ˌsɪm.pəˈθet.ɪk ˈnɜːr.vəs ˌsɪs.təm/
"sympathetic nervous system" picture
1.

交感神經系統

the part of the autonomic nervous system that prepares the body for stress by increasing heart rate, blood pressure, and respiration, and by diverting blood flow to the muscles

:
The sympathetic nervous system is responsible for the 'fight or flight' response.
交感神經系統負責「戰鬥或逃跑」反應。
Activation of the sympathetic nervous system can lead to increased alertness.
交感神經系統的激活可導致警覺性增加。