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Answer:
The airway or respiratory tract describes the organs of the respiratory tract that allows airflow during ventilation,
Ventilation is the process of the lungs obtaining air by exchanging the contents with the environment or surrounding. This process is what allows us to physically breathe.
the upper airways include the nose and nasal passages, para nasal sinuses, the pharynx and the portion of the larynx above the vocal cords.
the lower airway includes the portion of the larynx below the vocal cords, trachea, bronchi and bronchioles