Carina of trachea Carina of trachea In anatomy, the carina is a ridge of cartilage in the trachea that occurs between the division of the two main bronchi. This occurs at the lower end of the trachea (usually at the level of the 4th thoracic vertebra, which is in line with the sternal angle, but may raise or descend up to two vertebrae higher or lower with breathing). This ridge lies to the left of the midline, and runs antero-posteriorly (front to back). Foreign bodies that fall down the trachea are more likely to enter the right bronchus. The mucous membrane of the
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