Assertion: atrium | /r/HasAspect | two important nodes
Facets:
value: as atrioventricular (av) node
type: OTHER
Source sentences:
text: Right atrium has two important nodes as the sinoatrial (SA) node (the pacemaker of the heart that generates cardiac impulses) and atrioventricular (AV) node, which passes the impulses to the ventricles.