Which of the following statements are true regarding the Hepatic Portal System? a. Nutrients and toxins absorbed by the GI tract are directly distributed thoughout the body. b. The hepatic portal system is a arterial network that provides the liver with oxygenated blood. c. Blood exits the liver through the hepatic portal vein and merges wit the vena cava. d. Bile produced by the liver travels through the hepatic portal vein and drains into the duodenum. e. The hepatic portal vein drains oxygen poor and nutrient rich blood from the GI tact and shunts the blood to the liver..