how many blood vessels attack in our heart
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The heart is a muscular pump that pushes blood through blood vessels around the body. The heart beats continuously, pumping the equivalent of more than 14,000 litres of blood every day through five main types of blood vessels: arteries, arterioles, capillaries, venules and veins.When a coronary artery is blocked, this causes a heart attack.
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A heart attack is a medical emergency. A heart attack usually occurs when a blood clot blocks blood flow to the heart. Without blood, tissue loses oxygen and dies.
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