Which of the following organs regulates the levels of water, salts, hydrogen ions and urea in the mammalian blood? by Sunday | Sep 7 | Biology JAMB | 0 comments A. Liver B. Kidney C. Bladder D. Colon Correct Answer: Option B – Kidney Users Also Read These:A hydrogen chloride gas reacted with oxygen gas to…Which of the following organs regulates the levels…An individual with blood group AB can receive blood…A person with blood group, O can be given blood from…A woman with blood group A gives birth to a child…