Heart Q&A 11 And Over Heart and Lungs Have a go at this quiz all about the heart. Heart facts Download What do you think of this content? GreatVery goodOKNot very goodPoor Tell us more Pump it up Discover what makes up our blood, and build your own pumping heart model to understand more about how this important organ works. How much exercise do we need to stay healthy? Matthew Campbell is a Research Scientist in the Faculty of Health Sciences and Wellbeing at Sunderland University. In this video, he tells us about his research and how he became a scientist.