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The structure(s) that open into the pharynx A. TracheaB. OesophagusC. EpiglottisD. Both A and B |
Answer» Correct Answer - D The oral cavity leads into a short pharynx which serves as a common passage for food and air. The oesophagus and the trachea (wind pipe) open into the pharynx. A cartilaginous flap called epiglottis pre- vents the entry of food into the glottis-opening of the wind pipe-during swallowing. |
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