When the octopus breathes in, water flows over the gills and fills the mantle.
(the octopus; breathes; in) (water; flows; over the gills; T:When the octopus breathes in) (water; fills; the mantle; T:When the octopus breathes in)
the octopus water water
breathes flows fills
in
over the gills T:When the octopus breathes in
the mantle T:When the octopus breathes in