This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory System (Histology), Subject name: Anatomy
[{'content': 'Clara cells are seen in - \nSelect and explain. \nA. Alveoli, B. Bronchus, C. Trachea, D. Bronchiole', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Bronchioles o Clara cells are small dome shaped cells present in terminal bronchioleo They secrete a protein that lines the small air passages.", 'role': 'assistant'}]