Hepatic portal System

Hepatic Portal System diagram

All the portal veins that carry their contents into liver collectively constitute the Hepatic Portal System.

Blood vessels

Difference between arteries and veins

Blood vessels are highly branched tubes through which blood circulates from the heart to all parts of the body.

Human Circulatory System

Human Circulatory System- The Heart

All the parts of the body that help in the transportation of various materials in the body, collectively constitute the Circulatory System.