If you look at the periodic table, you will notice that sodium is on there. That is because it is an element on this table. You may also notice that there is no salt on the periodic table. That is because salt is not an element on the periodic table. Salt is made from sodium. You must mix sodium with chloride to make the salt.
After you eat salt, your body reacts to the salt by breaking it down. It takes the salt and breaks the sodium and chloride apart. The body needs sodium, so that is why the body breaks it down when you eat salt. Sodium is helpful to the body. It helps move the nerve impulses. If you looked in each cell, you would see sodium.