This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
The Predominant source of blood supply to the organ whose histological slide is shown in? 
Select and explain. 
A. Hepatic aery, B. Hepatic Vein, C. Poal vein, D. Cystic aery
C: Poal vein
Answer: C: Poal vein 
Explanation: Poal Vein