Question

Which of the following minerals helps maintains osmotic pressure, regulates pH, and required for the conduction of nervous impulses along axons?

a. Copper
b. Chlorine
c. Phosphorus
d. Sodium

Answer 1

Answer: d. Sodium

Step-by-step explanation:

Sodium (Na), has atomic number 11, it makes up 2.8% of Earth's crust by weight and 0.2% of the human body by weight. It is the principal positive ion outside cells, has an essential role in maintaining water balance inside the cells, important in nerve function, and blood pressure regulation when combined with potassium.