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Welcome to our new video today our topic is respiratory system mcqs so letamp;#39;s start the video the respiratory Center which controls breathing is located in the phones in medulla oblongata cerebellum hypothalamus spinal cord so the correct answer is option A the respiratory Center which controls breathing is located in the phones in medulla oblongata what is the primary function of the respiratory system transportation of oxygen protection against pathogens gas exchange digestion so the correct answer is option C the primary function of the respiratory system is gas exchange when there is a shortage of oxygen in the body which organ is most affected intestine skin kidney brain so the correct answer is option D brain the exchange of gases in lungs occurs in the trica bronchi bronchioles alveoli so the correct answer is option D the exchange of gases in the lungs occur in the alveoli the gaseous Exchange in alveoli is a type of simple diffusion of Osmosis active transport facial tr
