下图是人体部分生理活动示意图其中abcd代表相关物质请据图回答1�是指气体进出肺的通道叫做 吃进的食物和吸入的空气都要经过 Template




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tomski下图是人体部分生理活动示意图其中abcd代表相关物质请据图回答1�是指气体进出肺的通道叫做 吃进的食物和吸入的空气都要经过 coloring