Anatomy & Physiology class help

I have to take StraighterLine's Anatomy & Physiology I and 2 courses. The lab course will be separate from this request. I will probably take one class at a time and not both at once. I'm not sure yet.

https://www.straighterline.com/bio201xxmghsl001000001-b.html
https://www.straighterline.com/bio202xxmghsl001000001-b.html