respiratory tract

The path that air follows as it is inhaled and directed into the lungs . The respiratory tract includes the nose and nasal passages, the throat and trachea , and the bronchial tubes .

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It is often present in the respiratory tract under normal conditions.

The whole of the respiratory tract as far as the air-cells is lined by mucous membrane.

Children who have the rheumatic tendency invariably suffer from inflammatory conditions of the upper respiratory tract.

As we have seen, disturbances within the respiratory tract occur with very different frequency in different epidemics.

They contain the fasciculus described, by Sir Charles Bell, as the respiratory tract.

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