tionVentilationР¢¢ DrivingDriving forceforceР Direct force ——Р Pressure gradientР (Alveolar P.Р -Atmospheric P.)Р Motive force ——Р Respiratory movementР Elastic resistanceР¢¢ ResistanceResistanceР Non-elastic resistanceРĉĉĉĉĉĉ.. RespiratoryRespiratory movementmovement ————Р motivemotive forceforce ofof pulmonarypulmonary ventilationventilationР RespiratoryRespiratory movement:movement: Р rhythmic expansion Р and contraction ofР thorax caused by Р movement of Р respiratory muscles.Р1.1. RespiratoryRespiratory musclesmusclesРdiaphragm (most important )РMuscles of Р external intercostal muscleРinspirationР accessory muscles: scalene, Р sternocleidomastoidРMuscles of internal intercostal muscleРexpiration abdominal muscleРDiaphragmDiaphragm most important !Р ——to alter the length of the cavity
全文预览
