Why Does the Surface of the Lungs Need to Be

question 46

Multiple Choice

Why does the surface of the lungs need to be covered with pleura?

• A) to allow the exchange of oxygen within the alveoli
• B) to allow the exchange of carbon dioxide within the alveoli
• C) to produce the muscular contractions that expand the lungs
• D) to enable the lungs to slide past the internal chest wall and diaphragm
• E) to prevent the alveoli from collapsing due to pressure