Question

biologiclal importance of Na​

Answer 1

Biological role. In humans, sodium plays a key role in the regulation of blood volume, blood pressure, osmotic balance and maintain a constant pH. Renin–angiotensin system - hormone system that regulates blood pressureand fluid balance influences the amount of sodium in the body.

Answer 2

Function of sodium ions. Sodium is the primary cation (positive ion) in extracellular fluids in animals and humans. These fluids, such as blood plasma and extracellular fluids in other tissues, bathe cells and carry out transport functions for nutrients and wastes.