以下是人体部分生理活动示意图请据图回答 1若bc表示组织内的气体交换过程该过程是通过 完成的 2图中所示与外界相连的4条途径 Template




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tomski以下是人体部分生理活动示意图请据图回答 1若bc表示组织内的气体交换过程该过程是通过 完成的 coloring