Which of the following organs regulates the levels of water, salts, hydrogen ions, and urea in the mammals? by Sunday | Sep 5 | Biology JAMB | 0 comments A. Kidney B. Colon C. Bladder D. Liver Correct Answer: Option A – Kidney Users Also Read These:A hydrogen chloride gas reacted with oxygen gas to…Methanoic acid mixes with water in all proportions…What quantity of electrons (in mole) is lost when…A tap supplies water at 26°C while another supplies…Which of these organs can be considered vestigial in…