SUMMER SCHOOL PLEASE

Hey guys so I am a first year biomedical science student. In first sem I dropped chem 1 so I can focus on the rest of my classes because everything was so overwhelming, so I'm taking chem 1 right now. I also dropped physics 2 from this sem because I wanted to work on my GPA. ANYWAYS I have to take chem 2 this summer but it's a spring/summer class which means it's from May till august, phyiscs 2 is the same thing but idk if I should do both this summer or postpone physics... plz give me some advice