• 2022-06-01 问题

    Osmoregulation is a major function of kidneys and ( ) in fishes. A: skin B: rectal glands C: hepatic cecae D: gills E: fins

    Osmoregulation is a major function of kidneys and ( ) in fishes. A: skin B: rectal glands C: hepatic cecae D: gills E: fins

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