Biology · Animal Physiology

The pressure in the 'space' between the lungs and chest wall is known as intrapleural pressure. Consider the following statements related to intrapleural pressure at different phases of respiration: A. At the end of quiet expiration, the tendency of the lung to recoil from the chest wall is balanced by the recoil of the chest wall in the opposite direction, and intrapleural pressure is subatmospheric. B. At the start of inspiration, the intrapleural pressure is subatmospheric. C. The intrapleural pressure becomes more negative during inspiration. D. The intrapleural pressure attains a value well above atmospheric pressure during normal quiet expiration. E. The intrapleural pressure becomes positive (relative to atmospheric pressure) during strong inspiratory efforts. Which one of the following combinations is correct?