Circulatory System Quiz
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Questions and Answers

What are the functional parts of the circulation?

  • Arteries, veins, capillaries, and atrioventricular valves
  • Arteries, veins, capillaries, and lymphatic vessels
  • Arteries, arterioles, capillaries, venules, and veins (correct)
  • Arteries, arterioles, capillaries, and venules

    • What is the main function of venules in the circulatory system?

  • Exchange fluids, nutrients, and other substances
  • Transport blood under high pressure to the tissues
  • Act as conduits through which blood is released into the capillaries
  • Collect blood from the capillaries (correct)

    • What distinguishes arterioles from arteries in terms of their structure?

  • Strong vascular walls and blood flows at a high velocity
  • Thin walls, low pressure, and rapid blood flow
  • Strong muscular walls that can be constricted or dilated (correct)
  • Thin walls and high permeability to small molecules

    • What is the primary function of veins in the circulatory system?

    <p>Transport blood from the tissues back to the heart (A)</p> Signup and view all the answers

    What is the role of capillaries in the circulatory system?

    <p>Exchange fluids, nutrients, and other substances between the blood and the interstitial fluid (C)</p> Signup and view all the answers

    What distinguishes venules from veins in terms of their structure?

    <p>Venules have thinner walls than veins (D)</p> Signup and view all the answers

    How do arterioles differ from arteries in their capability to alter blood flow?

    <p>Arterioles can be constricted or dilated to alter blood flow (B)</p> Signup and view all the answers

    What is the primary function of capillaries in the circulatory system?

    <p>Exchange fluids, nutrients, and other substances between blood and interstitial fluid (C)</p> Signup and view all the answers

    How do the physical characteristics of veins differ from arteries?

    <p>Veins have thin walls and low pressure (C)</p> Signup and view all the answers

    What distinguishes the functional parts of the circulation in the circulatory system?

    <p>Capillaries exchange fluids, nutrients, and other substances between the blood and the interstitial fluid (A)</p> Signup and view all the answers

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