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: Anatomy
[{'content': 'Which of the following is not a connective tissue - \nSelect and explain. \nA. Blood, B. Muscle, C. Bone, D. Cartilage', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Cartilages, bone and blood are specialized connective tissues.\nMuscles are classified as muscle tissue.', 'role': 'assistant'}]