Phrenic NerveDiaphragmRespiratory ParalysisRespirationMotor NeuronsIntercostal NervesVagotomyLaryngeal NervesHypoglossal NerveRespiratory MechanicsRespiratory CenterMedulla OblongataDecerebrate StateCatsRespiratory Physiological PhenomenaInhalationChemoreceptor CellsThoracic NervesParalysisElectric StimulationIntercostal MusclesSpinal CordRespiratory MusclesAnoxiaBrain StemRecurrent Laryngeal NerveHiccupCarotid BodyTubocurarineCarbon DioxideRats, Sprague-DawleyElectromyographyMethysergideNeuromuscular JunctionSpinal Cord InjuriesHypercapniaMagneticsBlood Gas AnalysisCervical VertebraePulmonary VentilationAction PotentialsVagus NerveElectric InjuriesCarotid SinusNeurons, EfferentReflexRespiratory SystemExhalationBrachial PlexusNissl BodiesRaphe NucleiNeuronal Tract-TracersEfferent PathwaysElectrophysiologyPonsMicroinjectionsAmbenonium ChlorideNeckTidal VolumePosterior Thalamic Nuclei