Question

May i ask science questions?

Answer 1

You should probably ask science questions in the science section. However, the math section is usually more active than the science section, so you would probably get a faster and better answer over here.

Answer 2

3 Urea is made in the liver and is transported in the blood plasma for removal by the kidneys.
Which sequence of blood vessels is the shortest correct route for these urea molecules?
A hepatic artery → pulmonary artery → aorta → renal artery
B hepatic vein → pulmonary artery → pulmonary vein → renal artery
C hepatic vein → pulmonary vein → pulmonary artery → renal artery
D renal vein → vena cava → aorta → hepatic artery

Answer 3

Isn't this the same question?

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