如图是气体交换与血液循环的关系示意图图中7表示肺泡8表示组织细胞请根据图回答下列问题.1在心脏的a与c之间b与d之间有防止血液 Template




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tomski如图是气体交换与血液循环的关系示意图图中7表示肺泡8表示组织细胞请根据图回答下列问题.1在心脏的a与c之间b与d之间有防止血液 coloring