Blood Vessels

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  • Created by: issyafd1
  • Created on: 30-04-16 14:15

1. Which is NOT an adaption of the capillaries?

  • Large surface area for diffusion
  • Walls which are 1 cell thick
  • Rough lining
  • Bigger cross sectional area than the artery supplying them
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Other questions in this quiz

2. What is the blood pressure in the veins?

  • Greater than the arteries
  • Very low
  • Medium
  • Very high

3. What is the diameter of a capillary?

  • 9-10 um
  • 0.5 um
  • 7.5-8 um
  • 4.5-6 um

4. What is the function of valves?

  • Ensure the blood is flowing very fast
  • To prevent backflow
  • Prevent carbon dioxide diffusing into tissues
  • Ensure all oxygen diffuses from the blood

5. What are capillary walls made of?

  • Elastic Fibres
  • Endothelium and smooth muscle
  • 1 cell thick endothelium
  • Collagen and endothelium

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