Ventilation (physiology), the movement of air between the environment and the lungs via inhalation and exhalationMechanical ventilation, in medicine, using artificial methods to assist breathingVentilator, a machine designed to move breathable air into and out of the lungsVentilation (architecture), the process of "changing" or replacing air in any space to provide high indoor air qualityVentilation (firefighting), the expulsion of heat and smoke from a fire buildingVentilation (mining), flow of air to the underground workings of a mine of sufficient volume to dilute and remove noxious gases reference
