Question

How do fish obtain oxygen

Answer 1

Gills are feathery organs full of blood vessels. A fish breathes by taking water into its mouth and forcing it out through the gill passages. As water passes over the thin walls of the gills, dissolved oxygen moves into the blood and travels to the fish's cells.

Answer 2

They breathe the water in and force it into their gills the dissolved oxygen moves into the fish's blood and travels to their cells.


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