In frogs, adult and tadpole absorb oxygen and eliminate CO2 through the __________________. It functions as a respiratory organ in water and air. It contains __________________, which are pigment granules that regulate the protective coloration of the frog (camouflage). In addition, it contains mucus and poison __________________. If a frog is roughly handled, it releases the poison through those. Gas Exchange order is Nares-->glottis-->trachea. There's no __________________ (rib cage) to aid breathing

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