["IT" INITIALLY BREATHE THROUGH EXTERNAL GILLS, WHICH "IT" LOSE AS "IT" DEVELOP... FOR BREATHING AIR] - 5 Letters

Clue	Length	Answer
["IT" initially breathe through external gills, which "IT" lose as "IT" develop... for breathing air]	5 letters	lungs
Definition: 1. either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood View more information about lungs

5 letters

Definition: 1. either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood

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["IT" initially breathe through external gills, which "IT" lose as "IT" develop... for breathing air] – Crossword Clue