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Blutkreislauf FischeES.svg es Representacin esquemtica del sistema circulatorio de los peces rojo sangre rica en oxgeno azul sangre desoxigenada Blutkreislauf Fische svg User Lennert other versions Translation into Spanish PePeEfe Blutkreislauf Fische svg cczero Fish circulatory system SVG diagrams in Spanish Biological diagrams