The Human Heart
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Questions and Answers

Which organ pumps blood through the blood vessels of the circulatory system?

  • Liver
  • Lungs
  • Kidneys
  • Heart (correct)

    • Where is the heart located in humans?

  • In the abdomen
  • In the brain
  • Between the lungs (correct)
  • In the legs

    • How many chambers does the heart have in humans, other mammals, and birds?

  • Four chambers (correct)
  • Five chambers
  • Two chambers
  • Three chambers

    • What prevents backflow of blood in a healthy heart?

    <p>Heart valves</p> Signup and view all the answers

    What encloses the heart and contains a small amount of fluid?

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

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