work of the kidneys - part 1 of 19. describes structure and function of the renal system, and explains how the kidneys maintain uniformity in blood and tissues. demonstrates, with animated drawings and laboratory experiments, the formation of urine, regul - 輸尿管 個影片檔及 b 捲影像00:34女人
3d medical animation - movement of urine from kidney through renal tubules to urinary bladder - 輸尿管 個影片檔及 b 捲影像00:35