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Английский языкSurfactant reduces surface tension, thereby preventing the collapse of small alveoli. Surfactant increases the compliance of the lung and reduces the work of breathing. Surfactant keeps the alveoli dry because alveolar collapse tends to draw fluid into the alveolar space. Surfactant can be produced in the fetus as early as gestational week 24, but is synthesized most abundantly by the 35 th week of gestation. Neonatal respiratory distress syndrome can occur with premature infants, and results in areas of atelectasis, filling of alveoli with transudate, reduced lung compliance, and V/Q mismatch leading to hypoxia and CO2 retention. New words surface tension forces поверхностные силы напряжения liquid жидкость proximity близость adjacent смежный intermolecular межмолекулярный to stabilize стабилизироваться surface поверхность distance расстояние phase фаза tension напряжение spherically-curved сферически-кривой lining выравнивание inward внутрь toward к curvature искривление spherical сферическийsoap bubble мыльный пузырь inner внутренний to exert проявить interconnected связанный 34.PThe nose The respiratory system permits the exchange of oxygen and carbon dioxide between air and blood by providing a thin cellular membrane deep in the lung that separates capillary blood from alveolar air ...» |
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