Memory Renal System Versión en línea Renal System por Jeison Alexander The pale yellow slightly acid fluid excreted by the kidneys, containing waste products removed from the blood. It is stored in the urinary bladder and discharged through the urethra Organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine. Two small triangular endocrine glands one of which is located above each kidney. A distensible, muscular and membranous sac, in which the urine is retained until it is discharged from the body. One of a pair of organs in the rear of the upper abdomen that filter waste from the blood, produce uric acid or urea, and maintain water balance in the body. A muscular duct or tube conveying the urine from a kidney to the bladder or cloaca The membranous tube that extends from the urinary bladder to the exterior and that in the male conveys semen as well as urine. The filtering and excretory unit of the kidney, consisting of the glomerulus and tubules.