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
More Is More More Is More "More Is More" is a song performed by American pop recording artist Heidi Montag, and was released on April 3, 2009. The uptempo dance-pop song is lyrically about going to a club with friends and receiving attention from men. The song debuted at number 50 on "Billboard" Hot Dance Club Songs chart in July 2009 and peaked at number 27, becoming Montag's first and only charting single to date. "More is More" is an uptempo dance-pop song that makes heavy use of synthesizers, especially the auto-tune software to alter Montag's voice. Lyrically, the song is about going