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,
History of beliefs about the human body muscular and focuses on the exterior of the body, what can be see and felt. This was the standard of beauty of humans and continues to be the ideal body of European traditions. There is no Vitruvian women. Eastern ideologies of the body explain what can be detected, not only felt and examined. This comes from the idea that there is not only what can be physically seen and touched but what can't be. Energy or more aptly the means by which your body can manifest itself in the world can't be seen but, was thought to be able to