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高中生物学/血液
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来自维基教科书,这是一个针对开放世界的开放书籍
<
高中生物学
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我们体内的血液由心脏泵出,从而到达全身。血液携带氧气和二氧化碳,例如将其携带至身体,并从身体中带走二氧化碳。
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书籍:高中生物学
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