Which of the following metals is the most essential in the regulation of blood volume, blood pressure and osmotic equilibrium? by Sunday | Jan 2 | Chemistry WAEC | 0 comments A. Zinc B. Manganese C. Sodium D. Iron Correct Answer: Option C C. Sodium Users Also Read These:The volume and pressure of a given mass of gas at…A fixed mass of gas a volume of 92cm³ at 3°C. When…A fixed mass of gas has a volume of 92cm³ at 3°C.…The volume of an ideal gas at a pressure of 77cmHg…The initial volume and pressure of a given mass of…