Assertion: arachnid's system | /r/CapableOf | begin with the mouth
Facets:
Source sentences:
text: The digestive system is a tube that begins with the mouth, situated below the chelicerae, and leads into the pharynx, then into the esophagus, and from there into the sucking stomach, which has heavy muscles and serves to pump the partially digested food into the midgut, where special enzymes digest the food.