如图为人体的血液循环与�吸系统消化系统泌尿系统的联系示意图请回答1人体内食物消化和吸收的主要器官是 .2经过肺泡和血液之间的 Template




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tomski如图为人体的血液循环与�吸系统消化系统泌尿系统的联系示意图请回答1人体内食物消化和吸收的主要器官是 .2经过肺泡和血液之间的 coloring