Hello. I am an international student and I want to do Biomedical engineering as my premed. Right now I am in full IB (international baccalaureate) and I do Chem HL, Biology HL and Math HL. Do I need to take Physics Hl? We aren’t allowed to do 3 sciences. I did Physics in IGCSE and I got an A*. Would it be wise to switch to Physics HL because I feel I would need knowledge in Biology for my mCat.