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Question
The narrowest tubes of lungs are termed as:
The narrowest tubes of lungs are termed as:
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Solution
The correct option is B Bronchioles
The narrowest tubes of lungs are termed as bronchioles. The bronchioles or bronchioli are the passageways by which air passes through the nose or mouth to the alveoli (air sacs) of the lungs, in which branches no longer contain cartilage or glands in their submucosa. They are branches of the bronchi and are part of the conducting zone of the respiratory system.
Bronchioles
The narrowest tubes of lungs are termed as bronchioles. The bronchioles or bronchioli are the passageways by which air passes through the nose or mouth to the alveoli (air sacs) of the lungs, in which branches no longer contain cartilage or glands in their submucosa. They are branches of the bronchi and are part of the conducting zone of the respiratory system.
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