ANATOMY

Detailed explanation-1: -Atrial natriuretic hormone: a regulator of blood pressure and volume homeostasis. Kidney Int Suppl.

Detailed explanation-2: -Aldosterone (ALD) is a hormone your adrenal glands release that helps regulate blood pressure by managing the levels of sodium and potassium in your blood. Sodium and potassium are electrolytes.

Detailed explanation-3: -Aldosterone causes an increase in salt and water reabsorption into the bloodstream from the kidney thereby increasing the blood volume, restoring salt levels and blood pressure.

Detailed explanation-4: -The atrial peptide hormone exhibits remarkable vasorelaxant, natriuretic and hypovolaemic actions, suggesting that it is part of a cardiovascular control mechanism which operates to regulate blood pressure, blood volume and sodium balance.

Detailed explanation-5: -Higher concentrations of anti-diuretic hormone cause blood vessels to constrict (become narrower) and this increases blood pressure. A deficiency of body fluid (dehydration) can only be finally restored by increasing water intake.