Vein. The vein has already passed the liver which breaks ammonia into urea.
The Hepatic Portal Vein
hepatic vein
Yes, urea is present in the hepatic portal vein, though in relatively low concentrations compared to other substances. The hepatic portal vein carries nutrient-rich blood from the gastrointestinal tract and spleen to the liver, where urea is produced as a waste product of protein metabolism. This urea is then further processed by the liver before being released into the bloodstream and eventually excreted by the kidneys.
Hepatic Vein
Hepatic Portal Vein
Urea is produced in the liver and taken to the hepatic vein. To vena cava then through all the heart things, lungs back down the heart and to the aorta. Then it goes to the renal artery and to the kidneys.
portal vein
yes it contain urea and many more impurities so it is a compound
a protein-rich diet will result in more urea being present in ur urine.
By definition arteries always carry blood away from the heart and veins carry it to the heart.Most arteries carry blood with the least amount of carbon dioxide. But there is an exception. The arteries that carry blood to the lungs is very high in carbon dioxide.
no
Yes, perspiration does contain urea. Urea is one of the waste products excreted in sweat, along with salt and water.