For us to be active, to help us breathe, and to make sure all our organs receive the blood and oxygen needed to function, we have the heart to thank for it. It is part of the circulatory system but acts as a control panel to make sure blood is being directed to the right places inside the human body. An incredible organ that simply can't live without. In this video Aaron will give students a fascinating insight into how the heart works and how to keep it healthy!