Assertion: yawning | /r/CapableOf | occur as response
Facets:
value: to changes within the body
type: CAUSE
value: to the vagus nerve
type: CAUSE
Source sentences:
text: The yawning occurs as a response to the vagus nerve, which is the longest cranial nerve.
text: Yawning is a reflex action that occurs in response to changes within the body; when there is an increase in the concentration of carbon dioxide or if the blood and the lungs have low levels of oxygen.