Assertion: right atrium | /r/CapableOf | leave atrium
Facets:
Source sentences:
text: right atrium (RA) right ventricle (RV) left atrium (LA) left ventricle (LV)
text: The heart has a total of four chambers: right atrium, right ventricle, left atrium and left ventricle.
text: It is composed of four chambers; the right atrium, right ventricle, left atrium and left ventricle.