Adaptation, PhysiologicalAcclimatizationAdaptation, BiologicalAltitudeOxygen ConsumptionPhysical EnduranceStress, PhysiologicalEnergy MetabolismExerciseOxygenMuscle, SkeletalBody WeightTemperatureAdaptation, OcularTime FactorsGene Expression ProfilingGene Expression RegulationMolecular Sequence DataPregnancyDark Adaptation