CONCLUSION: Aerobic exercise can improve the insulin resistance, the level of PKB expression in liver cells may be related with insulin resistance.

结论：有氧运动能改善胰岛素抵抗，肝细胞中蛋白激酶B表达水平与胰岛素抵抗可能有关。

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The researchers found that moderate aerobic exercise produced new cells in the brain, while strength exercises didn't (despite giving the rats a more toned physique).

研究者们发现中等强度的有氧运动可以让大脑制造新的细胞，而力量训练则不行（即使这样会让老鼠体格更健壮）。

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Mitochondria are the primary source of energy production in cells and carry their own set of genetic instructions, mitochondrial DNA (mtDNA), to carry out aerobic respiration.

细胞内线粒体是产能的主要来源并携带它们自己固有的一套遗传指令——线粒体DNA（mtDNA），进行有氧呼吸。

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