病理生理学系病理生理学系Department of Pathophysiology高远生高远生呼吸衰竭呼吸衰竭Respiratory Failure呼吸全过程呼吸全过程RespirationRespiration肺通气肺通气pulmonarypulmonaryventilationventilation肺换气肺换气gasgasexchangeexchangein thein thelungslungs组织换气组织换气gasgasexchangeexchangein the in the tissuestissues细胞氧化代谢细胞氧化代谢cellularcellularrespirationrespiration气体血液气体血液运输运输gas transportgas transportin the bloodin the blood 外呼吸外呼吸 external external respirationrespiration 内呼吸内呼吸 internal internal respirationrespirationSymbolsP P PressurePressureParti