The difference in _____ pressure acts as a partial vacuum and prevents the lung from collapsing.

Question

Quizplus · Accepted Answer

The difference in intrapleural pressure, the pressure within the pleural cavity between the lung and chest wall, creates a partial vacuum which keeps the lung inflated and prevents it from collapsing. The diaphragm is the muscle responsible for breathing by contracting and relaxing to change the volume of the thoracic cavity. Epithelium is a layer of cells that functions to protect and line the internal and external surfaces of the body. Pericardial refers to the sac that surrounds and protects the heart.

The Difference in _____ Pressure Acts as a Partial Vacuum