Illustration of the heart and major blood vessels of the circulatory system within a human figure.

Head of transparent man with brain and spinal cord visible.

Front view of the liver, with major blood and bile vessels. The hepatic portal vein (purple) picks up nutrients and toxins from the stomach and intestines for processing. The hepatic ducts and gall bladder (green) send processed bile into the duodenum. The abdominal aorta (red) and hepatic vein (blue) supply and return the liver's blood.

Special effects showing lungs.