Question

Organs of respiration in fish

Answer 1

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$\huge\mathcal{\fcolorbox{lime}{black}{\pink{gills}}}$

Fish and many other aquatic organisms have evolved gills to take up the dissolved oxygen from water. Gills are thin tissue filaments that are highly branched and folded. When water passes over the gills, the dissolved oxygen in the water rapidly diffuses across the gills into the bloodstream.

Answer 2

The fish can respire through gills.