I'm sorry how can you be a medical student if you're in 11th grade?
If you want to be a doctor, it takes years of study and hard work. If you're ready for that then go for it:)
Today there are an array of options that you can Pursue as a student of biology.
You definitely can do physics and chemistry if you have math as well.
Bioinformatics, genetics,forensic science,anthropology ,sports science are a few courses apart from what everyone thinks is a limit of biology.
Know your interests and choose wisely.
Good luck.
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