Assertion: lung | /r/CapableOf | feel empty
Facets:
value: completely
type: DEGREE
Source sentences:
text: Residual volume (RV) is the volume of air remaining in the lungs after strenuous exhalation when the lungs feel completely empty.
text: (RV) is the volume of air remaining in the lungs after strenuous exhalation when the lungs feel completely empty.