originates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels

yoga activities the parasympathetic nervous system while excercise the sympathetic nervous system.

瑜伽活跃副交感神经零碎，同时也锻炼了交感神经零碎。

in 2007, bian gave 80 people with ibs either jcm-16021 with holopon – a drug that interrupts nerve impulses in the parasympathetic nervous system responsible for digestion – or holopon alone.

2007年，卞兆祥给80名ibs患者服用含有holopon的jcm-16021或者只服用holopon，holopon（溴甲东莨菪堿）是一种能打断消化副交感神经系统神经沖动的药物。

the key to activating your parasympathetic nervous system is to place your full attention onto your breath.

激活副中枢神经系统的关键是集中注意力到你的呼吸上。

it turned out that walking with a dog gave seniors a boost in parasympathetic nervous system activity, which is good because the parasympathetic nervous system helps calm and rest the body.

调查结果表明，与狗一起散步可以促进老年人副交感神经系统的活动。这对他们是很有益的，因为副交感神经系统可以镇定和放松身体。

heart rate variability (hrv) is a marker of performance of the excitability of sympathetic nervous system (sns) and parasympathetic nervous system (pns).

心率变异性是反映交感神经系统和副交感神经系统兴奋性的敏感指标。

this will activate your parasympathetic nervous system which will calm you down and slow your heart rate.

这样能激活副交感神经，有助于安神和降低心率。