Question

what are the different respiratory organs through which aquatic and Terrestrial animals respire? what features are common in all respiratory organs?​

Answer 1

Through Gills

A majority of aquatic animals like fish and prawns breathe through special organs called gills. Gilla are projections of the skin that help in using oxygen dissolved in water. Gills contain blood vessels which help in exchange of gases.

All the respiratory organs have large surface areas to get enough oxygen. All the respiratory organs are thin-walled for easy diffusion of gases and substances. All the respiratory organs (like skin, lungs, gills) have a rich supply of blood for transporting respiratory gases.

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