What is the primary function of the kidneys?

The kidneys are some of the most important organs in your body, and each one contains many parts. They help the body pass waste as urine, while also helping to filter blood before sending it back to your heart. read more

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Filtering the blood is the primary function of the kidney. Every day the kidneys process about 200 quarts (190 liters) of blood and filters out about 2 quarts of waste products and extra water. To effectively handle this volume of blood, the kidneys are equipped with lots of blood vessels. read more