Nature3y
Figure 3 - Schematic diagram of lung anatomy with cross-sections of bronchi, bronchioles alveolar ducts, and alveoli.
a: Gross anatomy of lung and thorax. b: Microscopic anatomy of bronchial wall. C: View of terminal airway and alveoli. d: Alveolar structure.
Medscape17d
Pulmonary Veins
Recent years have seen an enormous amount of experimental and clinical research into role of the pulmonary veins (PVs ... dimension to our knowledge of PV anatomy. Such work is vital for an ...
BMJ1y
Respiratory physiology: adaptations to high-level exercise
In general, the capacity of the pulmonary system far exceeds the demands required for ventilation and gas exchange during exercise. Endurance training induces large and significant adaptations within ...
Nature3y
Figure 2 - Comparison of gills and lungs.
Circulation in the fish is accomplished by a two-chambered heart, whereas a four-chambered heart is used to separate the systemic and pulmonary circulations in mammals.