The Circulatory System Quiz
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Questions and Answers

Which of the following best describes the function of the circulatory system?

  • Supplying essential materials to the cells
  • Keeping oxygen-poor blood separate from oxygen-rich blood
  • Transporting blood and other materials (correct)
  • Extracting wastes from the cells

    • What is the purpose of the organization of blood vessels in the circulatory system?

  • To carry essential supplies to the cells
  • To extract wastes from the cells
  • To mix oxygen-poor blood with oxygen-rich blood
  • To prevent mixing of oxygen-poor and oxygen-rich blood (correct)

    • What does the circulatory system extract from the cells?

  • Wastes (correct)
  • Oxygen-rich blood
  • Blood and other materials
  • Oxygen-poor blood

    • Which of the following best describes the function of the respiratory system?

    <p>To exchange gases between the blood and the atmosphere</p> Signup and view all the answers

    Where in the body does gas exchange occur?

    <p>In the lungs</p> Signup and view all the answers

    What happens to the heart and breathing rate during exercise?

    <p>The heart speeds up and breathing rate increases</p> Signup and view all the answers

    Why do the respiratory and circulatory systems work closely together?

    <p>To maintain homeostasis</p> Signup and view all the answers

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