Carbon DioxideFormate DehydrogenasesCarbonNitrogen DioxideCarbon MonoxidePartial PressureSulfur DioxideCapnographyInsufflationNanotubes, CarbonAtmosphereOxygenCarbon IsotopesRespirationHypercapniaMethaneHydrogenPulmonary Gas ExchangeBlood Gas Monitoring, TranscutaneousAldehyde OxidoreductasesChromatography, Supercritical FluidBlood Gas AnalysisLasers, GasCarbon SequestrationAnaerobiosisPneumoperitoneum, ArtificialTidal VolumeHydrogen-Ion ConcentrationBicarbonatesMethanolEuryarchaeotaCarbon Monoxide PoisoningDry IceAcetatesBiomassAcidosis, RespiratoryOxygen ConsumptionEcosystemOxidation-ReductionHydrogenaseCarbon FootprintTemperatureMolecular Sequence DataGasesCulture MediaNitrogenFermentationThorium DioxideAirRespiratory Dead SpaceEcological Systems, ClosedBacteriaSeawaterPhotosynthesisGreenhouse EffectTreesCarbonatesCarbon TetrachlorideNitratesCarbonic AnhydrasesMolybdenumTungstenCarbon CycleSoilRNA, Ribosomal, 16SHypocapniaBiodegradation, EnvironmentalHyperventilationEmbolism, AirHypoventilationNitrous OxideArgonPhylogenyCarbon RadioisotopesDeltaproteobacteriaTime FactorsAir PollutantsPulmonary VentilationOxidesCarbon DisulfideAnesthesia, InhalationAerobiosisWaterTitaniumCerebrovascular CirculationSoil MicrobiologyKineticsAutotrophic ProcessesGram-Negative Anaerobic BacteriaGlucoseAcid-Base EquilibriumChemoreceptor CellsRespiratory InsufficiencyBiodiversityFormic Acid EstersRespiration, ArtificialRespiratory MechanicsOxidoreductasesPyruvatesOceans and Seas