Carbon DioxideCarbonNitrogen DioxideCarbon MonoxidePartial PressureSulfur DioxideCapnographyInsufflationNanotubes, CarbonAtmosphereOxygenCarbon IsotopesRespirationHypercapniaPulmonary Gas ExchangeBlood Gas Monitoring, TranscutaneousChromatography, Supercritical FluidBlood Gas AnalysisLasers, GasCarbon SequestrationPneumoperitoneum, ArtificialTidal VolumeCarbon Monoxide PoisoningDry IceAcidosis, RespiratoryBicarbonatesOxygen ConsumptionCarbon FootprintHydrogen-Ion ConcentrationGasesThorium DioxideMethaneAirRespiratory Dead SpaceEcological Systems, ClosedHydrogenCarbon TetrachlorideCarbonic AnhydrasesNitrogenGreenhouse EffectBiomassPhotosynthesisHypocapniaWaterTemperatureAcetatesHyperventilationCarbonatesEmbolism, AirHypoventilationOxidation-ReductionOxidesPulmonary VentilationAir PollutantsCarbon DisulfideAnesthesia, InhalationTitaniumCerebrovascular CirculationOxygen IsotopesChemoreceptor CellsCarbon CycleRespiratory InsufficiencyRespiration, ArtificialRespiratory MechanicsNitrous OxideAcid-Base EquilibriumAutotrophic ProcessesSilicon DioxideHeliumAnaerobiosisSpectrometry, Mass, Fast Atom BombardmentPneumoperitoneumSoilCarbon RadioisotopesFormatesAnesthetics, InhalationCulture MediaBiodegradation, EnvironmentalTime FactorsCarbonic AcidRespiratory Function TestsLaser TherapyEuthanasia, AnimalArgonBreath TestsMagnetic Resonance SpectroscopyAir PollutionGas ScavengersExtraterrestrial EnvironmentLung Diseases, ObstructiveTreesKineticsAnesthesia, Closed-CircuitModels, MolecularSodium HydroxideAnoxiaCarbon Tetrachloride PoisoningApneaSeawaterElectrodes