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 person with blood group, O can be given blood from…A person with blood group B can only donate blood to…Which of the following organs regulates the levels…The hormone which regulates the amount of glucose in…What is the probability? of a man of blood group AB…