Assertion: yawning | /r/CapableOf | help control oxygen
Facets:
value: into the bloodstream
type: TRANSITIVE-OBJECT
value: in the body
type: LOCATION
Source sentences:
text: Thus they claimed that yawning is an involuntary reflex that helped control oxygen and carbon dioxide levels in the body.
text: They theorized that yawning helps bring more oxygen into the bloodstream and moved carbon dioxide out of the blood.