What Is The Heaviest Newborn Organ?

The heaviest newborn organ is the liver. It typically weighs between 3 and 4 pounds (1.4 and 1.8 kilograms). The liver is a large, reddish-brown organ that sits on the right side of the abdomen, just below the rib cage. It has many important functions, including filtering toxins out of the blood, storing nutrients, and producing bile to help digest fats.

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