AcclimatizationAltitudeMountaineeringAltitude SicknessCold ClimateAnoxiaPulmonary VentilationQuality of LifeBoliviaAdaptation, PhysiologicalCarbon DioxideCold TemperatureAtmospheric PressureSweatingAtmosphere Exposure ChambersOxygenPhosphofructokinasesOxygen ConsumptionAcid-Base EquilibriumCarotid BodyRespirationTime FactorsAnthozoaTemperatureCyprinidaeSocial AdjustmentHypocapniaSeasonsHearing AidsBody Temperature RegulationHot TemperatureChemoreceptor CellsRespiratory MechanicsBody TemperaturePulmonary Gas ExchangeBlood Gas AnalysisPartial PressureHeart RateClimate ChangeFishesRisk AdjustmentLactic AcidLifeHematocritPhysical ExertionEnergy MetabolismAdjustment DisordersChronic DiseaseHemoglobinsStress, PhysiologicalAnalysis of VarianceRisk FactorsBody WeightHydrogen-Ion ConcentrationMuscle, SkeletalBlood PressureAcetylcholinesteraseExercise TestAcute DiseaseProspective StudiesBrainCohort StudiesNorepinephrine