Oxygen ConsumptionOxygenReactive Oxygen SpeciesNitrogen FixationEnergy MetabolismNitrogen CompoundsNitrogen IsotopesBlood Urea NitrogenNitrogen CycleNitrogen DioxideAlcohol DrinkingCarbon DioxidePhysical ExertionOxidation-ReductionReactive Nitrogen SpeciesExercise TestPartial PressureHeart RateMitochondriaExerciseDietLactic AcidOxygen Inhalation TherapyMyocardiumPolarographyLactatesCell RespirationTime FactorsBody Temperature RegulationSinglet OxygenGlucoseHemodynamicsCardiac OutputCarbonRespirationAnoxiaBody WeightAmmoniaNitrogen OxidesExercise ToleranceCoronary CirculationIon-Selective ElectrodesBody TemperatureDogsPulmonary Gas ExchangeNitratesAdenosine TriphosphateOxygen IsotopesBasal MetabolismEthanolEatingOxidative PhosphorylationAerobiosisPII Nitrogen Regulatory ProteinsBlood PressureBlood Gas AnalysisPhysical EnduranceMuscle, SkeletalGlycolysisBeveragesKineticsOxidative StressHydrogen PeroxideHeartVegetablesFruitRegional Blood FlowPerfusionAnaerobic ThresholdCoffeeEnergy IntakeModels, BiologicalNitric OxideOximetryHemoglobinsCalorimetry, IndirectRunningPhysical FitnessShiveringHydrogen-Ion ConcentrationFertilizersDose-Response Relationship, DrugAntioxidantsAnalysis of VarianceOxyhemoglobinsRats, WistarAnaerobiosisAlcoholic BeveragesMetabolismFishesTemperatureCold TemperatureElectron TransportSuperoxidesAmino AcidsUreaMyocardial ContractionFood HabitsQuaternary Ammonium CompoundsSwine