人体组织细胞产生的co2排到体外依次经过的途径是 A细胞→内环境→循环系统→�吸系统→体外b细胞→内环境→�吸系统→循环系统→体外 Template




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tomski人体组织细胞产生的co2排到体外依次经过的途径是 a细胞→内环境→循环系统→�吸系统→体外b细胞→内环境→�吸系统→循环系统→体外 coloring