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15 December, 19:14

How does blood enter and exit the heart?

Answers (2)
  1. 15 December, 19:43
    Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart ... As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated
  2. 15 December, 20:13
    Super vena cava

    Inferior vena cava

    Right atrium

    Tricuspid valve

    Right ventricle

    Pulmonic valve

    Pulmonary artery


    Pulmonary vein

    Left atrium

    Bicuspid valve

    Left ventricle

    Aortic valve


    Rest of the body
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