Every human being has two kidneys that perform functions, like the filtration of blood, formation of urine, maintenance of fluid balance, regulation of blood pressure and other vital functions.

Kidneys are paired organs that purify the blood, controls body fluid and electrolytes and also process the waste out of the body. It is bean-shaped, of about 4 to 5 inches in length that roughly resembles the size of a fist. It sits beneath the ribs, just behind the belly. It purifies the blood by filtering them, from where it absorbs back the minerals, salts, and water, and removes the waste in the form of urine.

The Kidneys play a vital function in the body as it purifies the blood and creates urine. Kidney stones are hard particles accumulated over time. According to doctors, there are mainly four types of kidney stones. Let’s understand each of these in details.