Crossword clues for Organ for breathing. 4 letters:GILLUnderwater breathing organGILLBreathing organ for a fishGILLTrout's breathing organGILLBreathing organLUNGBreathing organGILLFish breathing organGILLTadpole's breathing organGILLFish's breathing organLUNGBreath-taking organGILLOrgan for breathing.GILLSManta ray's breathing organsLUNGSBreathing organsGILLSFish's breathing organsGILLSBreathing organs.GILLSUnderwater breathing organsGILLSTadpoles' breathing organs