user
Ing ngisor iki sing endi sing bener ngatur bagean saka sistem pernapasan iwak saka sing paling ora rumit nganti sing paling kompleks? Pilihan sing kasedhiya: +sel -> insang -> jaringan; +sel -> jaringan -> insang; +gills -> jaringan -> sel; +tisues -> gills -> cells;
assistant
sel -> jaringan -> insang