Which of the following is more concentrated in the blood within the renal artery than the blood within the renal vein? By: Sunday|Published on: Jun 24|Categories: Biology WAEC| 0 comments A. Urea B. Red blood cells C. Glucose D. Protein E. White blood cells Correct Answer: Option A – Urea Users Also Read These:A woman with blood group A gives birth to a child…The hepatic portal vein is often heavily loaded with…The yellowish colored liquid component of blood that…What is the probability of producing a child of…Use arrows to show the route and direction of blood…SEE ALSO One important characteristic of green plant is that they?