Assertion: vervet monkey's call | /r/CreatedBy | expulsion of breath
Facets:
value: from the lungs
type: TRANSITIVE-OBJECT
Source sentences:
text: For instance, if a call is produced by expulsion of breath from the lungs, we might expect the last elements of calls to have lower pitch, because less air pressure is available at the end of a call, when most of the air has been emptied out.