Because of the nervous reflex activity in sleep, the muscles of the throat relax, the food is easy to slide into the trachea, is very dangerous.
由于睡眠时神经反射活动减弱，咽喉肌肉松弛，食物容易滑入气管，是非常危险的。
Objective: To study the effect of volume expansion on cardiac-renal reflex activity and the role of cardiac-renal reflex in the regulation of intergrated function.
目的：研究血容量增加对心-肾反射活动的影响，和心-肾反射在整体功能调节中的作用。
First, the researchers demonstrated that chronically hypertensive mice showed dramatically decreased baroreceptor reflex sensitivity and ACE2 activity.
首先，研究人员指出患有慢性高血压的老鼠所表现的压力感受反射敏感性和ACE2活动的显著降低。
Conditioned reflex, different from the inherent unconditioned reflex, is an advanced nervous activity gradually developing in human's life.
条件反射，不同于与生俱来的非条件反射，是人们在生活中建立起来的高级神经活动。
Stimulation applied to the reflex zone on the abdomen surface can promote increased digestive activity.
刺激腹部的反射区能够促进消化活动的增强。
Stimulation applied to the reflex zone on the abdomen surface can promote increased digestive activity.
刺激腹部的反射区能够促进消化活动的增强。
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