To expand our lungs, pleural fluid is secreted into the pleural cavity and allows the lungs to "stick to" the inside of the cavity. When the muscles contract, the cavity expands, pulling our lungs open so that we can bring air into the lungs. Which property of water is used to expand our lungs?

Question

Quizplus · Accepted Answer

Cohesion is the property of water that allows it to stick to itself. This property is what allows pleural fluid to create a seal between the lungs and the pleural cavity, which allows the lungs to expand and contract.

To Expand Our Lungs, Pleural Fluid Is Secreted into the Pleural