Urea formation occurs in the? by Sunday | Sep 12 | Biology JAMB | 0 comments A. heart B. liver C. lung D. kidney Correct Answer: Option B – liver Users Also Read These:Which of the following organs regulates the levels…When a person’s urine contains a high concentration…Metabolic production of urea is carried out in the?Oestrus cycle in the ewe occurs every?When fertilization occurs that leads to formation of…