Biology, asked by princessparul5394, 1 year ago

What divides respiratory tract into upper and lower?

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Answered by shubham610
3
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The upper airways or upper respiratory tract includes the nose and nasal passages, paranasal sinuses, the pharynx, and the portion of the larynx above the vocal folds (cords). The lower airways or lower respiratory tract includes the portion of the larynx below the vocal folds, trachea, bronchi and bronchioles.

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Answered by Lovlover2111
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