AP BIOLOGY

Detailed explanation-1: -There are two blood vessels which supply blood to the liver, namely hepatic artery and portal vein. Hepatic artery delivers oxygenated blood from aorta to the liver. Hepatic portal vein carries deoxygenated blood from the small intestine, spleen, and pancreas.

Detailed explanation-2: -The liver receives a blood supply from two sources. The first is the hepatic artery which delivers oxygenated blood from the general circulation. The second is the hepatic portal vein delivering deoxygenated blood from the small intestine containing nutrients.

Detailed explanation-3: -A blood vessel that carries blood to the liver from the intestines, spleen, pancreas, and gallbladder. Also called portal vein.

Detailed explanation-4: -The hepatic portal vein carries blood from the intestine to the liver before it is delivered to the systemic circulation. It carries the nutrient-rich blood to the liver which is further processed there and returned back to the heart via inferior vena cava.

Detailed explanation-5: -The hepatic portal vein (Figs 4.60, 4.61) is formed by the union of the superior mesenteric and the splenic veins behind the neck of the pancreas.