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circulatory system noun

  /-tɹi-/ , /ˌsɜːk(j)uːlətəɹi ˈsɪstəm/ , /ˌsɝkjələˌtɔɹi ˈsɪstəm/
  • (physiology) The parts of an animal body comprising the heart, blood vessels (arteries, veins, and capillaries), and blood, which circulate the blood around the body. [from mid 19th c.]
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