Regular exercise keeps your muscles, bones and joints strong and functioning well.

经常锻炼会使肌肉、骨骼和关节保持良好的功能。

Try doing exercises that strengthen your muscles, bones and joints at least twice a week.

试着每周至少做两次锻炼来增强肌肉、骨骼和关节功能。

Excess cortisol leads to severe muscle, bone and skin breakdown which are the major protein stores of the body.

过多的皮质醇会造成肌肉、骨骼和皮肤严重分解；这些部位储备了身体中主要的蛋白质。

" They are one of the few animals that can regenerate their skin, muscles, bones, blood vessels, nerves, heart, brain, " said Fernando Gual, a conservation official at the zoo.

该动物园的保护官员费尔南多·瓜尔说：“它们是为数不多的能够再生皮肤、肌肉、骨骼、血管、神经、心脏和大脑的动物之一。”