The sites of gas exchange within the lungs are the
A)bronchioles.
B)terminal bronchioles.
C)pleural spaces.
D)alveoli.
E)falciform ligaments.

Question

Quizplus · Accepted Answer

Gas exchange between the respiratory system and bloodstream occurs in the alveoli. The bronchioles and terminal bronchioles are responsible for transporting air to and from the alveoli. The pleural spaces are the spaces between the lungs and the chest wall. Falciform ligaments are structures in the liver and are not related to gas exchange in the lungs.

The Sites of Gas Exchange Within the Lungs Are the