Assertion: heart's atrium | /r/PartOf | left heart
Facets:
Source sentences:
text: The right atrium and right ventricle together make up the "right heart," and the left atrium and left ventricle make up the "left heart.
text: Among which both right atrium and ventricle make up the “right heart,” and the left atrium and ventricle make up the “left heart.