Question

which of them contain less nitrogenous waste-renal vein or renal artery

Answer 1

hey here is ur answer

Renal artery brings oxygenated blood to the kidneys from the aorta which arises out of heart but this blood is not pure and has nitrogenous waste in it while renal vein carries deoxygenated but filtered blood to the heart from where it is again pumped to the entire body.

I hope this helps you

Answer 2

The answer is renal vein contain less nitrogenous waste because the renal vein takes blood away from the kidney. In the kidney, the waste product urea is filtered out of the blood. Therefore the amount of urea in the blood is (high in the renal artery and low in the renal vein)

Hope it helps you