This is because the fish's gills transfer oxygen to their bloodstream and the chlorine or chloramine in the water will be transferred to the bloodstream through the gills.
(This; is; because the fish's gills transfer oxygen to their bloodstream and the chlorine or chloramine in the water will be transferred to the bloodstream through the gills) (the fish's gills; transfer; oxygen; to their bloodstream) (the chlorine or chloramine in the water; will be transferred; to the bloodstream)
This the fish's gills the chlorine or chloramine in the water
is transfer will be transferred
because the fish's gills transfer oxygen to their bloodstream and the chlorine or chloramine in the water will be transferred to the bloodstream through the gills
oxygen to their bloodstream
to the bloodstream