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प्रश्न
Which of the following statements is incorrect regarding respiratory system?
विकल्प
Each terminal bronchiole give rise to a network of bronchi.
The alveoli are highly vascularised.
The lungs are covered by a double-layered membrane.
The plecral fluid reduces friction on the lung surface.
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उत्तर
The lungs are covered by a double-layered membrane.
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