The process by which wastes are removed from the body.
A chemical that comes from the breakdown of proteins.
An organ that filters wastes from the blood.
A watery fluid produced by the kidneys that contains urea and other wastes.
A narrow tube that carries urine from one of the kidneys to the urinary bladder.
A sacklike muscular organ that stores urine until it is eliminated from the body.
A small tube through which urine flows from the body.
Small filtering structure found in the kidneys that removes wastes from blood and produces urine.