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The four chambers of the heart are as follows:

  • Left atrium
  • Right atrium
  • Left ventricle
  • Right ventricle
The blood travels from the body into the right atrium and is pumped through the right ventricle to the lungs. Here it exchanges gases and returns to the heart. It enters the left side of the heart and is pumped around the body. The left side of the heart has much further to pump the blood and is therefore larger and more muscular.
Right Atrium, Left Atrium, Right Ventricle, Left Ventricle
Right Atrium, Left Atrium, Right Ventricle, Left Ventricle
The heart has four chambers. The two ventricles (right and left) are muscular chambers that propel the blood out of the heart (the right ventricle to the lungs, and the left ventricle to all other organs). The two atria (right and left) hold the blood returning to the heart, and at just the right moment empty into the right and left ventricles.
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10y ago

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