breathing and exchange of gases: lungs do not collapse between breaths and some air always remains in the lungs which can never be expellled because

Question

lungs do not collapse between breaths and some air always  remains in the lungs which can never be expellled because

sakhi rathore · Accepted Answer

there is -ve intraapleural pressure pulling at the lung walls

Lungs do not collapse between breaths and some air always remains in the lungs which can never be expellled because