write one main function of organ
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Organ Systems of the Human Body
Organ System Functions
Endocrine Regulates body functions by chemicals (hormones)
Cardiovascular Transports oxygen and nutrients to tissues Removes waste products
Lymphatic Returns tissue fluid to blood Defends against foreign organisms
Respiratory Oxygen/carbon dioxide exchange
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Answer:
it is the most important organ of the circulatory system, which helps deliver blood to the body. It works with the lungs to add oxygen to blood and pump this freshly oxygenated blood through the blood vessels and around the body. The heart also has an electrical system within.
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