Other questions in this quiz

2. What type of endothelium do veins have?

  • Red endothelium
  • Thick endothelium
  • smooth endothelium
  • Folded endothelium

3. Blood flows at lower pressures in the veins than arteries.

  • Depends on the person, so no answer
  • Do not need to know
  • True
  • False

4. How do valves help the veins?

  • Reduced pressure of veins
  • Increase blood flow
  • Prevent back flow of blood
  • Prevent blood mixing with arteries

5. Why do we need capillaries to surround cells?

  • Exchange ions only
  • To give oxygen only
  • To exchange substances
  • To remove CO2 only

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