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When Nemo’s father says “a fish can breathe out here” – fish use this organ system to breath

User Gautam Jha
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fish breathe with they’re gills.

what are gills? -A gill is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist.
User Cygri
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