DyspneaOxygenCarbonCarbon DioxideOxygen ConsumptionReactive Oxygen SpeciesCarbon MonoxideNanotubes, CarbonOxygen Inhalation TherapyCarbon Monoxide PoisoningPulmonary Disease, Chronic ObstructiveCarbon IsotopesSinglet OxygenRespiratory Function TestsExercise ToleranceForced Expiratory VolumeCarbon TetrachlorideDyspnea, ParoxysmalCarbon SequestrationOxygen IsotopesExercise TestCarbon DisulfidePartial PressureSpirometryLung Diseases, ObstructiveVital CapacityOxidation-ReductionLungBlood Gas AnalysisHyperbaric OxygenationAnoxiaSeverity of Illness IndexRespiratory MusclesRespirationCarbon Tetrachloride PoisoningOximetryAirway ObstructionTime FactorsCoughPulmonary Gas ExchangeInspiratory CapacityRadiography, ThoracicTreatment OutcomeBreathing ExercisesLung DiseasesQuality of LifePulmonary Diffusing CapacityNitrogenHydrogen PeroxideOxidative StressRespiratory MechanicsBronchodilator AgentsAerobiosisCarbon FootprintLung Volume MeasurementsHeart FailureAnaerobiosisScopolamine DerivativesLung Diseases, InterstitialCarbon RadioisotopesCarboxyhemoglobinAtmosphereFatal OutcomePulmonary VentilationInhalationBiomassGlucoseAcute DiseaseTomography, X-Ray ComputedProspective StudiesAdministration, InhalationExerciseBronchial DiseasesRespiratory InsufficiencyWork of BreathingKineticsPhysical ExertionHemoglobinsAsthmaPhotosynthesisHydrogen-Ion ConcentrationCulture MediaPulmonary EmphysemaOxyhemoglobinsAntioxidantsHemoptysisSootTotal Lung CapacityMaximal Voluntary VentilationHeart NeoplasmsBronchoscopyHypercapniaResidual VolumeWalkingFree RadicalsHemodynamicsMitochondriaTracheal NeoplasmsBiodegradation, EnvironmentalHelium