Select the incorrect statement from the following.

The thoracic chamber is formed ventrally by the vertebral column and dorsally by the sternum.

The lungs are situated in the thoracic chamber, which is anatomically an air-tight chamber.

The anatomical setup of lungs in the thorax is such that any change in the volume of the thoracic cavity will be reflected in the pulmonary cavity.

The movement of air into and out of the lungs is carried out by creating a pressure gradient between the lungs and the atmosphere.