The Circulatory System - The Heart AQA Biology B2

Do you want to know the basic structure of the heart and how it pumps blood around your body? If not, do you have to know it anyway in order to pass your GCSE exams? Well look no further, because in this video we cover all that and more! Contact me: http://www.sunnylearning.com/contact.html Additional study material: http://www.sunnylearning.com