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The act of distending; the act of stretching in breadth or in all directions; the state of being Distended; as, the distention of the lungs., Breadth; extent or space occupied by the thing distended.
Emphysema is the irreversible enlargement of the air spaces in the lungs.
The air spaces in the lungs are called pulmonary alveoli. They are where gas exchange occurs in the lungs of mammals.
Mediastinum
respiratory
lungs
Alveoli are grape-like air spaces at the distal ends of the bronchial upside-down tree.
Alveoli. Singular is alveolus.
lungs- Cardio-PULMONARY Resuscitation
pulmonary circulation
Respiration involves the lungs. The lungs inflate with air, and this allows oxygen into the lungs. The windpipe and mouth and nose are also involved in respiration.
breathing