Definition of respiratory tract in English:

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respiratory tract

noun

The passage formed by the mouth, nose, throat, and lungs, through which air passes during breathing.
Example sentences
  • As powder is inhaled, it can sensitize an individual through the mucous membranes of the respiratory tract.
  • These fumes are toxic and may have irritating effects on mucous membranes of the respiratory tract and eyes.
  • The common cold is a contagious viral infection of the upper respiratory tract affecting the nose and the throat.
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