At the end of normal expiration: (A) The outward recoil tendency of the chest, (B) The volume inside the lung is expiratory reserve volume, (C) The chest wall has a tendency to move inwards, (D) Alveolar pressure is usually negative
Answer is A. The outward recoil tendency of the chest for inspirationRef: Ganong&;s Review of Medical Physiology; 24th edition; page no: 629