How Do the Heart and Lungs Work?
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Questions and Answers

What is the main function of the heart?

  • To pump blood to both the lungs and body cells. (correct)
  • To receive blood from the lungs and body cells.
  • To pump blood to the body cells only.
  • To pump blood to the lungs only.
  • Which chamber of the heart receives oxygen-poor blood from the body?

  • Right atrium (correct)
  • Right ventricle
  • Left ventricle
  • Left atrium
  • What is the function of the left ventricle in the heart?

  • Pumps oxygen-poor blood to the lungs
  • Pumps oxygen-rich blood to the body (correct)
  • Receives deoxygenated blood from the body
  • Receives oxygen-rich blood from the lungs
  • Which side of the heart pumps deoxygenated blood to the lungs?

    <p>Right side</p> Signup and view all the answers

    What determines the shade of red in the blood?

    <p>Amount of oxygen</p> Signup and view all the answers

    What color is oxygen-rich blood as it leaves the heart?

    <p>Bright red</p> Signup and view all the answers

    Which type of blood mostly flows through the arteries?

    <p>Bright red blood</p> Signup and view all the answers

    What happens to the color of blood when it loses oxygen?

    <p>It turns dark red</p> Signup and view all the answers

    Where does oxygenated blood enter in the heart?

    <p>Left atrium</p> Signup and view all the answers

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