9.2 Lungs Flashcards
1
Q
Where are the lungs located
A
In the thoracic (chest) cavity surrounded by the pleural membranes, which enclose an airtight space
2
Q
Why does the space enclosed by pleural membrane contain a small quantity of fluid
A
To allow friction free movement as the lungs are ventilated by the movement of the diaphragm and ribs as well as the intercostal muscles.