Red cell mass, and thus oxygen-carrying capacity, remains constant over time in the healthy animal.

红细胞的数量和携带氧气的能力，在健康动物中时刻保持恒定。

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Red cell mass, and thus oxygen-carrying capacity, remains constant over time in the healthy animal.

红细胞的数量和携带氧气的能力，在健康动物中时刻保持恒定。

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