This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology, Subject name: Microbiology
[{'content': 'Natural habitat of Schistosoma (blood flukes): \nSelect and explain. \nA. Veins of the urinary bladder, B. Portal and pelvic veins, C. Vesical plexuses, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All of the above(Ref: Chatterjee, 12th/e, p. 136)* S. Haematobium - Veins of Vesical and Pelvic plexuses, less commonly in portal vein and its mesenteric branch.* S. Mansoni - Mesenteric veins draining Sigmoidorectal region (inferior mesenteric veins).* S. Japonicum - Mesenteric veins draining Ileocecal region (superior mesenteric vein).", 'role': 'assistant'}]