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People are unable to live without a heart. This is because the heart is one of the most important organs in the body. The heart is responsible for pumping blood around to the various parts of the body, and ensuring that it is oxygenated. If there is not any oxygen in your blood, then you will be unable to live. The human heart is made up of four chambers, and each of these chambers has its own job to do. As the blood moves in and out of each chamber is becomes oxygenated, and it is then pumped throughout the body.
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