5 questions, Mcq, 5 options, answers and their explanation.
Topic: similarities anatomy structure of human upper and lower respiratory sustem. That infornation has correlation in explanation of the pathophysiology of united lung airway disesees. The similarity can be explained by the microscopic and macroscopic factors. The differences of upper and lower respiratory tract is also important in explanation the sumptoms of upper and lower tespiratory disesases.

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