Your heart beats more than 100,000 times a day. In just a minute, it pumps over five liters of blood throughout your body. But unlike skin and bones, the heart has a limited ability to repair itself. So if this organ is severely damaged, there’s often only one medical solution: replacing it.
Educator Roni Shanoada explores how this complex and intricate procedure works. This film is part of a series of 30 animated TED-Ed lessons created by our studio.