Match the organism to their organ of respiration.
When frogs are submerged in water, they only respire through their skins. Frogs also have poorly developed lungs which they also use to breathe on land.
Elephants, like us, also have lungs.
Oxygenated water enters through the fish's mouth and the water is pushed with the help of the operculum, through the gills.
Amoeba obtains its oxygen through simple diffusion across its cell membrane from its surroundings.