Question

How fish breath in water

Answer 1

Fishes have special organs called gills to breath in water. They take the oxygen dissolved in water

Answer 2

in fish there are gills feather like organs.when fish takes water in the mouth she breathes  and forcing it out through gills .gills are of thin walls so as water coming out of gills at that time dissolve oxygen moves in blood and travelled in the cells of fish.