The smooth muscle lining the ureter walls repeatedly tighten and loosen up by way of a method called peristalsis to drive urine away from the kidneys and down in to the bladder. Compact quantities of urine are released to the bladder just about every 10–fifteen seconds. Encyclopaedia Britannica's editors oversee https://goldirareviews41740.answerblogs.com/34215517/rumored-buzz-on-recognition-breed-standards