It talks about the basics, then it talks about physiology in the second part, and then it talks about Biomedical Engineering separately.

教材先讲基础知识,第二部分讲生理学,然后再单独讲生物医学工程

耶鲁公开课 - 生物医学工程探索课程节选

It's rather than working on isolating the parts and trying make one part of your body big,

这不是单独练习各个部分，试图把某一部分的肌肉练得很大，

要拥有好身材 - SpeakingMax英语口语达人