It's mostly genetic, with some people it does go to their butt, but there's also mesinteric (inter-abdominal fat) which seems to be belly fat but isn't.
two types: "normal" via the hepatic artery and "portal" via the portal vein outflow is directly to the inferior vena-cava. "PORTAL" describes the flow of blood that has already bathed the intestines from the mesinteric artery
The liver is important to the circulatory system because it is one of the organs responsible for removing toxins from our blood. Toxins get in our blood when our digestive system breaks down the food we eat. The blood moves on to the liver where it is then filtered for toxin removal.