11.如图是血液循环和气体交换示意图请据图回答问题1肺泡与外界进行气体交换是通过�吸运动实现的肺泡中的氧气是通过气体扩散作用进入血液 Template




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tomski11.如图是血液循环和气体交换示意图请据图回答问题1肺泡与外界进行气体交换是通过�吸运动实现的肺泡中的氧气是通过气体扩散作用进入血液 coloring