Maths/ Biology tutor for ages 10 to 13/14

I am currently finishing year 12, going into year 13. I am doing Biology A-level and have a target grade of A in biology.
I have a GCSE grade 7/8 for both biology and maths which equals to an A/A*
I have a passionate desire to become a doctor as a future career.
I love teaching younger children with maths or biology knowledge; I have taught a few younger children before at school.
I will make sure your son/daughter will be ahead with knowledge and understanding needed from personal experience.
Only online lessons are available to be given