https://tw.voicetube.com/everyday/20180314

英文：

The main role of these organs is to dispose of waste products and to turn them into urine. The body's eight liters of blood pass through the kidneys between 20 and 25 times each day, meaning that, together, these organs filter about 180 liters every 24 hours.

腎臟的主要功能就是清除廢物，並且把廢物轉換成尿液，身體裡八公升的血液，每天通過腎臟約20-25次，也就是說，這對器官在24小時內 總共過濾了180公升的血。