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【简答题】
据人体呼吸全过程图解(注：①②③④表示四个过程，A、B表示人体某部位)，请回答： (1)过程[①]是通过 实现的，过程［②］是 ,该过程是通过 实现的，此时血液的变化情况是 。 (2) 血液中运输氧的血细胞是 ，该细胞的形态结构特点是 。 (3)人体内消耗氧和产生二氧化碳的部位是 [ ] ，试写出该部位消耗氧产生二氧化碳的表： 。
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