Fill in the blank review of blood vessels and organ in pathway of blood through hepatic portal system.?

Blood that is poor in nutrients is carried from the aorta to the ____1____ artery to smaller mesenteric arteries, which divide to a capillary bed in the wall of the __2___, where, in the procss of absorption, nutrients enter the blood. This nutrient-rich blood now flows into the ___3___ vein, which joins with the ___4___ vein from the spleen and stomach and becomes the ___5___ vein. This vein now carries blod to the liver, where it breaks int a second capillary bed. Capillaries in the liver converge into the ___6___ veins, which empty into the caudal vena cava for trnasport back to the heart.