what are the structural and functional units of Lungs?
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Respiratory zone Comprises the respiratory bronchioles which have alveoli budding from their walls, the alveolar ducts which are completely lined with alveoli. This zone is also called the acinus which is thefunctional unit of the lung. Alveoli is the structural and functional unit of lungs.
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Alveoli is the structural and functional unit of lungs ..
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