The heart

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Atria

The atria are the top two chambers of the heart. They fill up with blood recieved from the veins.

Function

  • The right atrium recieves deoxygenated blood from the rest of the body through the vena cava, it then pumps blood through the left ventricle.
  • The left atrium recieves oxygenated blood from the lungs from the pulmonary vein…

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