如图所示为人体的组织细胞和内环境的关系示意图请据图回答下列问题1 �是内环境的重要组成部分�内有多对缓冲物质使其ph保持在735 Template




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tomski如图所示为人体的组织细胞和内环境的关系示意图请据图回答下列问题1 �是内环境的重要组成部分�内有多对缓冲物质使其ph保持在735 coloring