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The center is an organ about the size of your fist that pumps blood by way of your body. It is made up of a number of layers of tissue. Your coronary heart is at the center of your circulatory system. This system is a network of blood vessels, equivalent to arteries, veins, and capillaries, that carries blood to and from all areas of your physique. Your blood carries the oxygen and nutrients that your organs must work properly. Blood also carries carbon dioxide to your lungs so you may breathe it out. Inside your coronary heart, valves keep blood flowing in the right direction. Your heart’s electrical system controls the speed and rhythm of your heartbeat. A healthy coronary heart supplies your physique with the correct amount of blood at the rate needed to work nicely. If illness or injury weakens your heart, your body’s organs won't receive sufficient blood to work usually. An issue with the electrical system - or the nervous or endocrine systems, which management your coronary heart price and blood strain - may also make it tougher for the guts to pump blood.
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