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There are four sections of the heart. The left atrium,the left ventricle,(is on right side of our perspective and viseversa)the right atrium, and the right ventricle. The right side pumps non-oxygenated blood to the lungs, turning it to oxygenated blood. From there it goes to the left side of the heart, and gets pumped to all the organs that need blood to function properly. Then it goes back to the right side of the heart as non-oxygenated blood. Then the cycle repeats.

There are no safety precautions.

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