Blood that enters the liver from the hepatic portal vein has already been through one set of capillaries.

Question

Quizplus · Accepted Answer

The hepatic portal vein collects blood from capillaries in the digestive organs and transports it to the liver for processing before entering the systemic circulation. Therefore, the blood entering the liver via the hepatic portal vein has already passed through one set of capillaries in the digestive organs.

Blood That Enters the Liver from the Hepatic Portal Vein