When dietary sodium is too high or low, the intestines and kidneys respond to adjust concentrations to normal
chemoreceptors
producing metallothionein when intake levels are high.
Aldosterone
Citric acid will provide a sour taste and sodium citrate will regulate the sour taste.
They help balance the pH levels of fluids in your body, if that is what you mean. Potassium especially, I think.
Aldosterone helps to indirectly regulate blood levels. A low sodium diet is a way to increase aldosterone in the body.
Kidneys
chemoreceptors
chemoreceptors
through insulin:
Sodium is a mineral that helps to regulate water balance in the body, controlling blood pressure and encouraging the nerves to work accordingly. In the human body, you would find sodium in the blood.
Positive and negative feedback
producing metallothionein when intake levels are high.
Some of it comes out in sweat. It balances out if you drink enough water.
aldosterone
Sodium and Potassium.
Sodium