Question

Explain how marine fishes maintain the water content of their body at the normal level.
ANSWER IN THREE-FOUR SENTENCES.
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Answer 1

Answer:

To maintain their water balance, marine fishes drink large quantities of seawater, retaining most of the water and excreting the salt. Most nitrogenous waste in marine fishes appears to be secreted by the gills as ammonia. Marine fishes can excrete salt by clusters of special cells (chloride cells) in the gills.

Explanation:

 Osmoregulation is the process by which the fish maintains an internal balance of salt and water in their body. In marine fishes, there is comparatively more salt and less water outside their bodies. ... Marine fishes drink a large amount of water and urinate little.

Answer 2

Explanation: Osmoregulation is the process by which the fish maintains an internal balance of salt and water in their body. In marine fishes, there is comparatively more salt and less water outside their bodies. ... Marine fishes drink a large amount of water and urinate little.