The anatomical part of the lungs where oxygen and carbon dioxide are exchanged is the:
A)trachea.
B)alveoli.
C)bronchioles.
D)bronchi.

Question

Quizplus · Accepted Answer

The alveoli are the tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide between the lungs and the blood takes place. The trachea, bronchioles, and bronchi are all part of the respiratory system, but they do not function specifically in gas exchange.

The Anatomical Part of the Lungs Where Oxygen and Carbon