Accomodation in the eye (focussing) for IGCSE Biology


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25 thoughts on “Accomodation in the eye (focussing) for IGCSE Biology

  1. As a mature student, I had to get a C for biology when it wasn't one of my options at school. My work commitments meant that I had no choice but to self study and your videos have just been amazingly useful. Fingers crossed I did enough on paper 1 on Tuesday.

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