Urea is a waste product that is removed by the kidneys. It is not a structure in the kidney, the tube through which waste leaves the body, or the tube that connects the kidney to the bladder.
Urea is a waste product that is removed by the kidneys. It is the final breakdown product of protein metabolism and is formed in the liver. One point to note is that urea is not a structure or a tube, but rather a substance that is eliminated from the body through the urinary system.
