Terrestrial vertebrates use an enclosed internal lung to respire because it helps to control fluid loss,but fish have no such constraints and exchange their gases using pairs of external ________.

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The Answer of Terrestrial vertebrates use an enclosed internal lung to respire because it helps to control fluid loss,but fish have no such constraints and exchange their gases using pairs of external ________.

Terrestrial Vertebrates Use an Enclosed Internal Lung to Respire Because