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Why does the forced expiratory volume percentage decrease as the radius of the airways is decreased?
Wiki User
∙ 13y ago
Reducing the radius of the airways will affect the capacity of the lungs to exhale the maximum amount of air
Wiki User
∙ 13y ago
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FEV 1 (%) will decrease as the airway radius is decreased. FEV 1 (%) is the amount of air that can be expelled from the lungs in one second during forced expiration. If the airway becomes smaller, then the resistance to airflow will increase and FEV 1 (%) will become lower.
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