D002007 - 9832 - V2 - CCM

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The human body is a complex machine made up of numerous systems that work together to keep us alive and functioning properly. These systems include the circulatory system, which transports oxygen and nutrients to our cells; the nervous system, which sends signals between different parts of the body; the digestive system, which breaks down food into energy and waste products; and the immune system, which defends against pathogens and infections.