Trachea the trachea. The trachea is no more than 4mm diameter during the first year of life, expanding to its adult diameter by late childhood. The trachea is more mobile and of more variable length, deeper, and smaller in children. The trachea is lined with a layer of pseudostratified ciliated columnar epithelium. The epithelium contains goblet cells, which are glandular, modified simple columnar epithelial cells that produce mucins, the main component of mucus. Mucus helps to moisten and protect the airways. Mucus lines the ciliated cells of the trachea to trap inhaled foreign particles that the cilia then waft upward toward
What What (In the Butt) What What (In the Butt) "What What (In the Butt)" is a viral video created by Andrew Swant and Bobby Ciraldo for the song of the same name by Samwell. It is known for its numerous camp references to homosexuality and anal sex. The lyrics of the song, a production of Mike Stasny, mostly revolve around the title. The video was made in Milwaukee, Wisconsin and uploaded on Valentine's Day 2007 to YouTube. As of March 2016, the video had over 60 million views. On 5 March 2007, with regard to the Christian imagery in the video, Samwell said, in