Human Anatomy: Heart and Circulatory System Quiz
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Questions and Answers

Which of the following is the primary function of the heart?

  • Digestion of nutrients
  • Filtration of blood
  • Oxygenation of blood (correct)
  • Regulation of body temperature
  • From which chamber of the heart does the left ventricle receive oxygenated blood?

  • Right atrium
  • Left ventricle
  • Left atrium (correct)
  • Right ventricle
  • What is the main role of arteries in the circulatory system?

  • Exchange oxygen and carbon dioxide
  • Filter impurities from the blood
  • Carry blood to the heart
  • Carry blood away from the heart (correct)
  • What is the primary function of veins in the circulatory system?

    <p>Carry blood to the heart</p> Signup and view all the answers

    During which phase of the cardiac cycle does the heart relax and fill with blood?

    <p>Diastole</p> Signup and view all the answers

    Which blood vessels have thin walls that allow for the exchange of gases and nutrients with tissues?

    <p>Capillaries</p> Signup and view all the answers

    What is the purpose of the valve between the left atrium and left ventricle?

    <p>Prevent backflow of blood into the left atrium</p> Signup and view all the answers

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