Question

blood of which vessel in mammals carries least percentage of urea

A. dorsal aorta
B. renal vein

C. Renal artery

D. posterior vena cava

Answer 1

i think answer is renal vein because blood gets purified in kidneys and gets back to heart through renal vein....... hope yu liked the answer...... do mark as brainliest

Answer 2

I thinkRenal vein is the right answer