I think the answer your looking for is bile. The liver produces Bile from waste.
liver
Your liver converts the nitrogenous waste into urea, which is then transported out of the body when you urinate.
Urea (the main constituent of urine) is one waste product that is produced and released by the liver.
It removes body waste by the process of deamination.
The liver organ.
The liver disposes of waste and maintains the human body temperature of 98.7
the liver cleans the bdy of waste like alcohol ,so do kidneys.
Liver and the lungs.
The liver.I think it's the liver...
liver
liver
the liver filters the nitrogen out if your blood