It's doable...
Last semester, I took Calc 3 (got an A), Linear Algebra (A-), Physics 1 (with lab) (A in both), Chemistry 1 (B+) (with A in lab), and Biology (with lab) (A in both)
This semester I took Mathematical Analysis (B), Physics 2 (with lab) (A in both), ODEs (A), Chem 2 (A-)(with B...