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Showing 1 to 1 of 1 for “"Bullfrog Respiratory organs"”.
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A study of lungs in Rana catesbeiana tadpoles
… the lungs and skin are both important in respiratory exchange but in somewhat different ways. Oxygen enters through the lungs whereas carbon dioxide is excreted through the skin. Oxygen intake through the skin is determined solely by physical limitation while carbon dioxide excretion may …