下图为�吸系统示意图请根据图回答 1�吸系统是由 和肺组成的 2图中2 位于鼻腔后方是气体的通道也是食物的通道 3吞咽 Template




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tomski下图为�吸系统示意图请根据图回答 1�吸系统是由 和肺组成的 coloring