Pulmonary Gas ExchangeVentilation-Perfusion RatioNoble GasesBlood Gas AnalysisCarbon DioxideOxygenGasesArrhythmia, SinusPulmonary CirculationPulmonary Diffusing CapacityPartial PressureRespiratory MechanicsRespiratory Dead SpaceOxygen ConsumptionRespirationTidal VolumeLungPulmonary VentilationRespiratory Function TestsPulmonary EdemaSmoke Inhalation InjuryRespiration, ArtificialPhysical ExertionHepatopulmonary SyndromeHyperventilationRespiratory TransportRespiratory Distress Syndrome, AdultExercise TestCardiac OutputAnoxiaHemodynamicsExtravascular Lung WaterExercisePulmonary AlveoliBicyclingLung DiseasesVital CapacitySpirometryHeart RateWater Loss, InsensiblePlant Transpiration