A sodium analysis checks how abundant sodium is in the blood. Sodium is both an electrolyte and mineral.Most of the sodium in the physique (about 85%) is begin in claret and lymph fluid. Sodium levels in the physique are partly controlled by a hormone alleged aldosterone, which is fabricated by the adrenal glands . Most foods accept sodium by itself in them or as an additive in cooking. Sodium is begin in table alkali as sodium chloride or in baking soda as sodium bicarbonate. It helps accumulate the baptize (the bulk of aqueous central and alfresco the body's cells) and electrolyte antithesis of the body. Sodium is aswell important in how fretfulness and anatomy work.