Each form has unique roles in cells including antioxidant actions, supporting healthy heart function and enhancing energy production.

每一个表格，在细胞中的独特作用，包括抗氧化作用，支持健康的心脏功能，提高能源生产。

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The circulatory system which we'll talk about in a couple of weeks, the heart, the blood vessels, and the blood work together to form a totally internal function.

例如过几周我们要讲的循环系统,心脏,血管,血液,三者协同工作,形成一个完全在体内发挥作用的体系

耶鲁公开课 - 生物医学工程探索课程节选