lower respiratory tract

ریشه

The word 'lower' refers to the lower part of the respiratory system, and 'respiratory' relates to respiration or breathing. 'Tract' comes from the Latin word 'tractus' (drawing, pulling).

مثال

• Infections in the lower respiratory tract can be serious and require medical attention.
• The lower respiratory tract is responsible for the exchange of oxygen and carbon dioxide.
• Conditions like bronchitis and pneumonia can affect the lower respiratory tract.