AcclimatizationAltitudeMountaineeringAltitude SicknessCold ClimateAnoxiaPulmonary VentilationBoliviaAdaptation, PhysiologicalCarbon DioxideCold TemperatureAtmospheric PressureSweatingAtmosphere Exposure ChambersOxygenPhosphofructokinasesTemperatureOxygen ConsumptionAcid-Base EquilibriumCarotid BodyAnthozoaRespirationTime FactorsCyprinidaeSocial AdjustmentHypocapniaSeasonsHot TemperatureHearing AidsBody Temperature RegulationChemoreceptor CellsRespiratory MechanicsBody TemperaturePulmonary Gas ExchangeBlood Gas AnalysisFishesPartial PressureClimate ChangeHeart RateRisk AdjustmentLactic AcidHydrogen-Ion ConcentrationEnergy MetabolismHematocritStress, PhysiologicalPhysical ExertionAdjustment DisordersHemoglobinsChronic DiseaseMuscle, SkeletalAnalysis of VarianceBody WeightRisk FactorsAcetylcholinesteraseBlood PressureAcute DiseaseExercise TestBrainNorepinephrine