Assertion: heart's atrium | /r/HasProperty | right ventricle
Facets:
Source sentences:
text: The heart (“cor” or “cardia”) is a fist-sized, hollow, muscular human organ weighing between 300-350g (10-12 oz) with four chambers; the right atrium, right ventricle, left atrium, left ventricle and four valves to stop blood flowing backwards.
text: The heart has four chambers right atrium, left atrium, right ventricle, and left ventricle.