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Nature
2 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.
BBC
2 年
Structure and function of the gas exchange system
Inhalation and exhalation is the same as breathing or ventilation and is a physical process which moves air into and out of your lungs. Respiration is not the same as breathing, and is a chemical ...
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