A pyrimidine found in RNA but not DNA; it forms hydrogen bonds with adenine.
A nitrogenous waste product produced in the liver from ammonia and CO2.
The duct that carries urine from the kidneys to the bladder.
The tube that leads from the bladder to outside of the body. It voids urine.
Liquid waste resulting from the filtration, reabsorption, and secretion of filtrate in the nephron.
Organ in the mammalian female reproductive system that is teh site of embryonic development.
