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Question

Which chambers of the heart contain oxygenated blood?


  1. Left atrium

  2. Right atrium

  3. Right ventricle

  4. Veins


Solution

The correct options are
A

Left atrium


D

Veins


The heart consists of four chambers in which blood flows. Deoxygentaed blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. The left ventricle receives oxygenated blood from the left atrium via the mitral valve and pumps it through the aorta via the aortic valve, into the systemic circulation. 

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