Assertion: trachea | /r/CapableOf | serve as passage
Facets:
value: for air
type: PURPOSE
Source sentences:
text: The trachea or windpipe serves as a passage for airflow between mouth or larynx and the lungs.
text: The trachea or windpipe serves as a passage for airflow between mouth or larynx and the lungs.
text: The trachea serves as passage for air, moistens and warms it while it passes into the lungs, and protects the respiratory surface from an accumulation of foreign particles.