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9. What will happen if the epiglottis does not close the entrance of airways? A. The larynx will be blocked with food particles. B. The pharynx will have difficulty in swallowing. C. The food particles will block the opening of the trachea and a person will have difficulty in breathing. D. The food particles will block the bronchioles thus making it dif fult to breathe in and breathe out.​