A heart attack occurs when an artery that sends blood and oxygen to the heart is blocked. Your heartbeat is the contraction of your heart to pump blood to your lungs and the rest of your body. It is made up of multiple layers of tissue.
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Symptoms of heart disease in the blood vessels coronary artery. Heart inflammation is inflammation in one or more of the layers of tissue in the heart, including the pericardium, myocardium, or. Symptoms heart disease symptoms depend on the type of heart disease.
The heart is an organ about the size of your fist that pumps blood through your body.
