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
[{'content': 'The complex process of leukocyte movements through the blood vessels are all EXCEPT - \nSelect and explain. \nA. Rolling, B. Adhesion, C. Migration, D. Phagocytosis', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Phagocytosis", 'role': 'assistant'}]