Pulmonary alveolus thin fluid coating within all alveoli. The fluid coating is produced by the body in order to facilitate the transfer of gases between blood and alveolar air. The surfactant is produced by the type II cells which are the most numerous cells in the alveoli, yet do not cover as much surface area as the squamous alveolar cells (a squamous epithelium). Type II cells also repair the endothelium of the alveolus when it becomes damaged. Insufficient surfactant in the alveoli can contribute to atelectasis (collapse of part or all of the lung). Without pulmonary surfactant, atelectasis is a certainty; however,
Sound Affects Sound Affects Sound Affects is the fifth studio album by British rock band the Jam. The cover art is a pastiche of the artwork used on various "Sound Effects" records produced by the BBC during the 1970s. It is their only album co-produced by the band, and contains the only album track co-written by the entire band, "Music for the Last Couple". The album was released on 28 November 1980. Paul Weller is known to have opined "Sound Affects" as the best album The Jam released throughout their career; freely admitting the Beatles' "Revolver" had been a major influence upon