Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns ...

Revise GCSE Biology by listening ... you understand the structure of the heart, and how blood flows through it, so grab a pen and let’s draw a rough diagram so you know what each part of the ...

Your surgeon will make an incision in your chest to access your heart and will use a machine to take over blood flow while your heart is temporarily stopped. In some cases, minimally invasive ...