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:Water waves have a wavelength of 3.6cm and speed of…Which of the following organs can be considered…Which of the following organs in humans is…Which of these organs can be considered vestigial in…A tap supplies water at 26°C while another supplies…