A cell membrane is also known as a plasma membrane or cytoplasmic membrane. The cell membrane separates the interior of a cell from its outside environment. The main function of a cell membrane is to protect the cell from its surroundings.
assisted ventilation. Definition: application of mechanically or manually generated positive pressure to gas(es) in or about the airway during inhalation as a means of augmenting the movement of gases into the lungs. Synonym(s): assisted respiration. Search Stedman's Medical Dictionary.
MECHANICAL / FORCED VENTILATION. A building ventilation system that uses powered fans or blowers to provide fresh air to rooms when the natural forces of air pressure and gravity are not enough to circulate air through a building.echanical ventilation is used to control indoor air quality, excess humidity, odours, and contaminants can often be controlled via dilution or replacement with outside air. However, in humid climates specialised ventilation systems can remove excess moisture from the air.