Question

Which blood vessel has higher concentration of urea - Renal Artery or Hepatic vein?

Answer 1

renal artery has more urea

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Answer 2

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Yes the correct answer is hepatic vein. This is beacuse urea is a by-prpduct of amino acid catabolism, that occures in the liver. Hence liver is the primary site for urea production. And yes this concentration will increase a few hours after meals, especially of that meal is rich in proteins