如图是人体消化�吸循环过程示意图请据图回答下列问题1a代表营养物质进入 的过程此过程主要�生的器官是 气体和食物具有的共同通道 Template




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tomski如图是人体消化�吸循环过程示意图请据图回答下列问题1a代表营养物质进入 的过程此过程主要�生的器官是 气体和食物具有的共同通道 coloring