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From where do the fish obtain their Oxygen supply?

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Fishes obtain oxygen with the help of their gills. As gills are a kind of feathery organs which is full of blood vessels. They breathe by taking water into its mouth and forcing it out through their gill passages. As water passes over the thin walls of the gills by dissolved oxygen, and it moves into the blood and travels to the fish's cells.

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Priyanka Kumari

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