Assertion: crustacean's gill | /r/HasProperty | located around the edge of the shell
Facets:
Source sentences:
text: Blood enters the atrium via the circumpallial vein (after being oxygenated by the ring of gills located around the edge of the shell) and through a series of small vesicles that deliver more oxygenated blood from the nuchal cavity (the area above the head and neck).