Question

how do aquatic animals respire ​

Answer 1

four chambered respire through Gills.They obtain oxygen dissolved in water.Some aquatic animals like frogs which breathe through skin.Aquatic animals have scales and their body is streamlined for their easy movement in water.

Answer 2

four chambered respire through Gills.They obtain oxygen dissolved in water.Some aquatic animals like frogs which breathe through skin.Aquatic animals have scales and their body is streamlined for their easy movement in water.