Question

how does fish respire

Answer 1

In most fish respiration takes place through gills. Lungfish, however, possess one or two lungs. The labyrinth fish have developed a special organ that allows them to take advantage of the oxygen of the air, but is not a true lung.

Answer 2

Answer:

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Fishes breathe by 'drinking water. A pressurised gulp of water flows from the mouth into the gill chamber on each side of the head. Gills, located in gill clefts within the gill chambers, consist of fleshy, sheet like filaments, transected by extensions called JamellaeAs water flows across the gills, the oxygen contained in it, diffuses into the blood that is circulating through vessels in the filaments and lamellae. Simultaneously, carbon dioxide, in the fish's blood Simultaneously, carbon dioxide, in the fish's blood stream, diffuses into the water and is carried out of the bodv, A fish can close the opercula, or Ilaps of tissue covering the gill openings, to prevent water from escaping.

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Explanation: