This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Physiology
[{'content': 'Intercalated disks are found in: \nSelect and explain. \nA. Smooth muscle, B. Cardiac muscles, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Cardiac musclesINTERCALATED DISKS provide a strong union between cardiac muscle fibers and maintain cell to cell cohesion so that pull of one contractile unit is transmitted along its axis to the next.', 'role': 'assistant'}]