Pulmonary Gas ExchangeVentilation-Perfusion RatioNoble GasesChromatography, GasBlood Gas AnalysisCarbon DioxideOxygenGasesGas Chromatography-Mass SpectrometryArrhythmia, SinusPulmonary CirculationCapillariesPulmonary Diffusing CapacityPartial PressureRespiratory MechanicsRespiratory Dead SpaceOxygen ConsumptionFlame IonizationRespirationLungTidal VolumePulmonary VentilationRespiratory Function TestsPulmonary EdemaSmoke Inhalation InjuryRespiration, ArtificialPhysical ExertionHepatopulmonary SyndromeSecobarbitalHyperventilationRespiratory TransportRespiratory Distress Syndrome, AdultExercise TestHemodynamicsCardiac OutputAnoxiaExtravascular Lung WaterBupleurumTrimipramineExerciseElectrophoresis, CapillaryZiziphusPulmonary AlveoliNordazepamBicyclingLung DiseasesPesticide ResiduesVital CapacitySpirometryHeart RateVolatilizationDogsWater Loss, InsensiblePlant TranspirationToxicologyLactic AcidLung Volume MeasurementsForced Expiratory VolumePositive-Pressure RespirationAlcoholsLiquid VentilationMass SpectrometryTime FactorsPhotosynthesisPlant StomataPlant LeavesFatty AcidsTemperatureRespiratory InsufficiencyReproducibility of ResultsInhalationNeonCapillary ActionModels, BiologicalDeuterium Exchange MeasurementReference StandardsIndicators and ReagentsCapillary PermeabilityWaterLung ComplianceExchange Transfusion, Whole BloodChromatography, Thin LayerFluorocarbonsFatty Acids, UnsaturatedSister Chromatid ExchangeRespiratory Physiological PhenomenaStereoisomerismEcological Systems, ClosedSensitivity and SpecificityHeliumWork of BreathingChromatography, High Pressure LiquidBotany