人的排尿过程是,从肾脏分解排泄的多余水分、电解质、体内垃圾、体内细胞的代谢产物等的混合液体,而产生尿液。尿液逐渐贮存到膀胱,当膀胱达到一定的容量,尿液的压力刺激膀胱壁的压力感受器,由压力感受器发出的排尿信号经周围神经系统传导至中枢神经 The process of urination in a human is to produce urine by disintegrating a mixed liquid of excess water excreted from the kidneys, electrolytes, body waste, metabolites of cells in the body, and the like. Urine gradually stored to the bladder, when the bladder reaches a certain capacity, urinary pressure to stimulate the bladder wall of baroreceptors, voiding signals issued by baroreceptors by the peripheral nervous system conduction to the central nervous system