Assertion: fetal hemoglobin | /r/CapableOf | extract oxygen
Facets:
value: from the maternal oxygenated hemoglobin
type: TRANSITIVE-OBJECT
value: across the placenta
type: LOCATION
Source sentences:
text: For mothers to deliver oxygen to a fetus, it is necessary for the fetal hemoglobin to extract oxygen from the maternal oxygenated hemoglobin across the placenta.