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: Pathology
Which cells of the mononuclear phagocyte system are presnt in liver ? 
Select and explain. 
A. Kupffer cells, B. Merkel cells, C. Gittle cells, D. Berger cells
A: Kupffer cells
Answer: A: Kupffer cells 
Explanation: Ans. is 'a' i.e., Kupffer cells