Assertion: lung | /r/HasProperty | filled with fluid
Facets:
value: at birth
type: TEMPORAL
Source sentences:
text: At birth, the baby's lungs are filled with fluid secreted by the lungs and are not inflated.
text: Studies of the pressure–volume relationship of lungs filled with salt solution or air have shown that the pressure required to inflate the lungs to a given volume is less when the lungs are filled with liquid than when they are filled with air.