Question
Biology Question on excretory products and their elimination
At a time, maximum amount of urea will be present in
A
pulmonary vein
B
hepatic portal vein
C
renal vein
D
hepatic vein
Answer
hepatic vein
Explanation
Solution
Urea is produced in liver through urea cycle. The highly toxic ammonia produced during protein digestion is converted into comparatively less toxic urea through ornithine cycle. Liver pours this urea into hepatic veins, to be carried to kidney for excretion from body.