Assertion: giant clam's adductor muscle | /r/CapableOf | contract to close valve
Facets:
Source sentences:
text: The ligament provides tension to bring the valves apart, while one or two adductor muscles can contract to close the valves.
text: The ligament provides tension to bring the valves apart, while one or two adductor muscles can contract to close the valves.
text: The ligament provides tension to bring the valves apart, while one or two adductor muscles can contract to close the valves.