Cardiovascular System: Arteries and Veins
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Questions and Answers

What is the function of the aorta?

  • To distribute oxygen-rich blood to all body tissues (correct)
  • To carry oxygen-depleted blood back to the heart
  • To regulate blood pressure
  • To pump blood into arterioles
  • Why do arteries have thick walls?

  • To prevent collapse under high pressure (correct)
  • To facilitate the flow of oxygen-depleted blood
  • To increase blood velocity
  • To withstand low blood pressure
  • What is the primary function of arterioles?

  • To regulate blood pressure
  • To carry blood to capillaries (correct)
  • To distribute oxygen-rich blood to all body tissues
  • To pump blood into the aorta
  • What is the main difference between arteries and veins?

    <p>Arteries have thick walls, while veins have thin walls</p> Signup and view all the answers

    What is one of the methods of moving blood forward in veins?

    <p>Compression of skeletal muscles</p> Signup and view all the answers

    Study Notes

    Arteries

    • Carry oxygen-rich blood from the heart to all body tissues
    • Thick-walled to withstand high pressure
    • Blood pumped into arteries at a rate of 60-100 times per minute
    • Aorta is the largest artery
    • Arterioles are small subdivisions of arteries that carry blood to capillaries

    Veins

    • Carry oxygen-depleted blood back to the heart
    • Thin-walled, which makes them prone to collapse
    • Found near the surface of the body and run parallel to arteries
    • Use one-way valves to prevent backflow
    • Compression of skeletal muscles, breathing, and gravity help to move blood forward

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    Description

    Test your knowledge of the cardiovascular system, including the structure and function of arteries and veins, and how they contribute to blood circulation. Learn about the differences between oxygen-rich and oxygen-depleted blood and how it's transported throughout the body.

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