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,
How the Lack of Love Affects Two Men How the Lack of Love Affects Two Men How the Lack of Love Affects Two Men () is a 2006 South Korean film. Dong Chol-dong is a widower who lives with his only son, Dong-hyun. Chol-dong makes his living by blackmailing companies for their immoral activities, and in his spare time devotes himself to such activities as measuring the length of toilet paper, so he can sue the paper company if it is shorter than advertised. His son, Dong-hyun, is a bully who will go to any lengths to get what he wants. The lives of these two men take