Which blood vessel in mammals normally carries maximum amount of urea?
Hepatic vein
Hepatic vein in mammals is the blood vessel that arises from the liver and normally carries the maximum amount of urea in the body, because urea is synthesized in the liver.
The renal arteries supply the kidneys with blood. The renal veins are veins that carry the blood filtered by the kidney. Hepatic portal vein carries blood and nutrients from the stomach, spleen, intestines and gallbladder to the liver.