Which of the following is more concentrated in the blood within the renal artery than the blood within the renal vein? by Sunday | Jun 24 | 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:If a firm's price is less than average cost but more…When a Spirogyra cell is immersed in a salt solution…The mammalian vein which starts with and ends in a…The hepatic portal vein is often heavily loaded with…The vessel that carries blood from the heart to the…