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 ...

This lack of blood flow can occur because of many ... lungs is to paste three cluster magnets on heart and lungs corresponding area as shown in the diagram (see figure). Since the bouts usually ...

Heart attacks – or myocardial infarctions – happen when blood flow is impaired and oxygen can't reach the heart. This destroys heart muscle cells, which can cause permanent damage and even death.