Other questions in this quiz

2. Veins have what?

  • Valves
  • thick layers of muscle
  • Small lumen

3. Arteries carry blood to the heart

  • false
  • true

4. Capillaries only having one cell thick walls helps?

  • Isolate liquid membranes
  • Blood clot
  • Increase the rate of diffusion
  • Decrease the rate of diffusion

5. What carries blood to the heart?

  • unicorns
  • Veins
  • Arteries
  • Capillaries


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