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,
Catholic theology of the body also its residence, home and its vehicle. Clement believed that the first humans were innocent until they got trapped by the pleasures of the body. The first humans, by misusing their body, misused their free will and decided to sin. Like Clement, Origen (185-254?) was an African. Also like Clement, Origen considers the human body a prison of the soul. Only the soul existed in paradise, according to Origen, the body was taken on by Adam and Eve; as they were cast out of paradise. The body tends to be oriented toward lust and sin, but it is also a