Assertion details
1 triples in cluster

muscle constrict the passageway 2
2 source sentences

Source: Shown
Subject: Shown
Predicate: Shown
Object: Shown
Facet: Shown
  • SRC A unique sphincter - like muscle around the ear canal constricts the passageway , thereby dampening acoustic signals and allowing the animal to hear more seismic signals .
  • SRC A unique sphincter - like muscle around the ear canal constricts the passageway , thereby dampening acoustic signals and allowing the animal to hear more seismic signals .