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:The pulmonary vein carries?The only vein that carriers pure oxygenated blood is the?Which of the following is correct about the…Maintenance cost is low; more flexible than other…The principle which prevents an insured from…