BBC2 年
Structure and function of the gas exchange system
The gas exchange system is made from key parts, each of which has a different ... bronchioles which take the air deeper into the lungs. Alveoli At the ends of bronchioles are tiny air sacs called ...
Nature3 年
Figure 3 - Schematic diagram of lung anatomy with cross-sections of bronchi, bronchioles ...
a: Gross anatomy of lung and thorax. b: Microscopic anatomy of bronchial wall. C: View of terminal airway and alveoli. d: Alveolar structure.