Assertion: yak's system | /r/CapableOf | move oxygen
Facets:
value: across the pulmonary surface
type: TRANSITIVE-OBJECT
value: during both inhalation
type: TEMPORAL
value: during exhalation
type: TEMPORAL
Source sentences:
text: The respiratory system of birds moves oxygen across the pulmonary surface during both inhalation and exhalation, making it more efficient than that of mammals.