Carbon DioxideCarbonMicroscopy, ElectronElectronsNitrogen DioxideMicroscopy, Electron, ScanningElectron TransportCarbon MonoxidePartial PressureSulfur DioxideCapnographyInsufflationNanotubes, CarbonOxygenAtmosphereRespirationHypercapniaCarbon IsotopesPulmonary Gas ExchangeBlood Gas Monitoring, TranscutaneousChromatography, Supercritical FluidBlood Gas AnalysisMicroscopy, Electron, TransmissionLasers, GasCarbon SequestrationPneumoperitoneum, ArtificialTidal VolumeElectron Spin Resonance SpectroscopyCarbon Monoxide PoisoningDry IceOxygen ConsumptionOxidation-ReductionHydrogen-Ion ConcentrationAcidosis, RespiratoryPhotosynthesisBicarbonatesCarbon FootprintGasesThorium DioxideMethaneAirRespiratory Dead SpaceEcological Systems, ClosedTemperatureCarbon TetrachlorideCarbonic AnhydrasesBiomassHydrogenNitrogenGreenhouse EffectOxidesAcetatesTitaniumHypocapniaCarbonatesHyperventilationEmbolism, AirHypoventilationWaterAir PollutantsPulmonary VentilationCarbon DisulfideAnesthesia, InhalationTime FactorsCerebrovascular CirculationSilicon DioxideKineticsCarbon CycleCulture MediaChemoreceptor CellsNitrous OxideAutotrophic ProcessesRespiratory InsufficiencyFormatesMicroscopy, Electron, Scanning TransmissionRespiration, ArtificialElectrodesRespiratory MechanicsAcid-Base EquilibriumSoilHeliumPneumoperitoneumBiodegradation, EnvironmentalAnesthetics, InhalationArgonAnaerobiosisLaser TherapyCarbon RadioisotopesSodium HydroxideSeawaterElectron Probe MicroanalysisEuthanasia, AnimalCarbonic AcidMolecular Sequence DataRespiratory Function TestsBreath TestsTreesAir PollutionAnoxiaGas Scavengers