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I need to know about the structure of the heart and how it works, as i missed the lesson when my class was taught it?
what do you need to know? :)
Hi! Don't know if you still need them but here are all my notes on the heart http://getrevising.co.uk/resources/how_are_dissolved_materials_transported_around_the_body_biology_3
If you need to know about the effect of exercise on the heart, let me know and I'll be posting them soon :)