#circulation  the movement of blood through the heart and blood vessels
  supertype:  organic_phenomenon__organicphenomenon  a natural phenomenon involving living plants and animals
  part:  blood_pressure
  subtype:  systemic_circulation  circulation that supplies blood to all the body except to the lungs
  subtype:  pulmonary_circulation__pulmonarycirculation  circulation of blood between the heart and the lungs
  subtype:  vitelline_circulation__vitellinecirculation  circulation of blood between the embryo and the yolk sac

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