Other questions in this quiz

2. Why do arteries have elastic tissue in the walls?

  • to cope with the high pressure caused by the heartbeat
  • to expand in case of clot
  • in case of damage

3. How is blood helped to flow through veins?

  • by contraction of body muscles surrounding them
  • by the veins contracting
  • by the valves

4. Are veins elastic?

  • No
  • yes

5. What are the networks of capillaries in tissues called?

  • Capillary beds
  • capillary networks
  • capillary bases


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