This organ is found at the level of the upper cervical vertebrae in newborns, but descends later in life. The two sides of the analogous structure in birds are connected by the pessulus. Three paired and three unpaired cartilages, nine in total, support this organ, including the ladle-shaped arytenoid and ring-shaped cricoid cartilages. This organ rises during swallowing, 
This organ is found at the level of the upper cervical vertebrae in newborns, but descends later in life. The two sides of the analogous structure in birds are connected by the pessulus. Three paired and three unpaired cartilages, nine in total, support this organ, including the ladle-shaped arytenoid and ring-shaped cricoid cartilages. This organ rises during swallowing, by raising one cartilage to close off the glottis. The acute form of its inflammation can result from a cold or prolonged shouting. It is found beneath the pharynx and houses the vocal folds. For 10 points, name this respiratory system organ also known as the "voice box." 
This organ is found at the level of the upper cervical vertebrae in newborns, but descends later in life.
larynx [prompt on "voice box" before it is mentioned] 