HyperoxiaCell HypoxiaOxygenAnoxiaPulmonary AlveoliHyperbaric OxygenationAnimals, NewbornLungHypoxia, BrainChemoreceptor CellsPartial PressureFetal HypoxiaCarotid BodyHypoxia-Inducible Factor 1, alpha SubunitCarbon DioxideHypercapniaRetinal VesselsOxygen ConsumptionIon-Selective ElectrodesLung InjuryRats, Sprague-DawleyBlood Gas AnalysisRespirationBronchopulmonary DysplasiaRetinopathy of PrematurityPneumocytesRespiratory MechanicsMicroscopy, Electrochemical, ScanningOxygen Inhalation TherapyPulmonary VentilationHypoxia-Inducible Factor 1Oxidative StressAirAltitudeSodium CyanideDisease Models, AnimalRNA, MessengerTime FactorsRetinal NeovascularizationApneaPulmonary Surfactant-Associated Protein C