Assertion: heart valve | /r/CapableOf | open to pump blood
Facets:
value: through the heart
type: TRANSITIVE-OBJECT
Source sentences:
text: Repair usually involves separating the valve leaflets (the one-way "doors" of the heart valve which open and close to pump blood through the heart) or forcing them open with a balloon catheter, a technique known as balloon valvuloplasty.