Which of the following may have least amount of urea? A)vena cava B) pulmonary vein C) renal vein D) hepatic portal vein

1 Answer
Mandira P.
Feb 11, 2018

Answer is (C) renal vein.

Explanation:

Blood enters the kidney via renal artery. Urea is removed from blood by the kidneys. Hence, when blood leaves kidney via renal vein, amount of urea is less in blood compared to level of urea in blood contained in any other blood vessel.

https://image.slidesharecdn.com/032urinarysystem-140830061529-phpapp02/95/physiology-and-anatomy-of-urinary-system-5-638jpg

Also check following links to know about the other vessels.

Hepatic portal vein

Pulmonary vein

Vena cava

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