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: Microbiology
[{'content': 'Lymphoreticular system includes - \nSelect and explain. \nA. T- cells, B. B-cells, C. Neutrophils, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'a' i.e., T- cells; 13' i.e., B-cells; 'c' i.e., Neutrophils Lymphoreticular system is a complex organization of cells of diverse morphology distributed widely in different organs and tissues of the body responsible for the immunity.", 'role': 'assistant'}]