Pulmonary Gas ExchangeVentilation-Perfusion RatioNoble GasesBlood Gas AnalysisArrhythmia, SinusOxygenCarbon DioxideExercise TestPulmonary CirculationOxygen ConsumptionPulmonary Diffusing CapacityRespiratory MechanicsPartial PressureRespiratory Dead SpaceRespirationExercisePhysical ExertionGasesTidal VolumeLungRespiratory Function TestsPulmonary VentilationSmoke Inhalation InjuryPulmonary EdemaExercise TherapyHyperventilationHepatopulmonary SyndromeRespiration, ArtificialCardiac OutputHemodynamicsAnoxiaExtravascular Lung WaterBicyclingRespiratory Distress Syndrome, AdultExercise ToleranceHeart RatePulmonary AlveoliLactic AcidVital CapacitySpirometryLung DiseasesDogsForced Expiratory VolumeRespiratory TransportTime FactorsLung Volume MeasurementsNeonInhalationPositive-Pressure RespirationPhysical EnduranceWater Loss, InsensiblePlant TranspirationMuscle, SkeletalAnaerobic ThresholdLiquid VentilationRestModels, BiologicalBlood Pressure