Undergrad student, worried that I am doing enough

Hello,

3rd year undergraduate
UC Berkeley
Major: Ethnic Studies
Male, Filipino

cGPA: 3.7

Pre-Med classes/grades (thus far):
Calc 1: A
Calc 2: A
English 1: B+
English 2: A
Chem 1A: A
Chem 1A Lab: A-
Chem 3A: A-
Chem 3A Lab: A
Chem 3B: A-
Chem 3B Lab: A
Psych: A+
Bio 1A: C
Bio 1A Lab: B
Biochemistry: B-
*i think my sGPA: 3.3-3.5
*Still need to finish up Physics and Bio1B, currently taking first part of physics and think I will get a B-. It seems like my grade trend is going down, which...

Undergrad student, worried that I am doing enough