Blood Vessels

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

1. What is the function of arterioles?

  • Constrict and dilate to control blood flow to individual organs
  • Remove tissue fluid
  • Link capillaries and veins
  • Prevent the diffusion of excess water
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Other questions in this quiz

2. What are capillary walls made of?

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

3. Which is not a way in which blood flow is maintained in the veins?

  • Breathing movements of the chest act as a pump forcing blood towards the heart
  • Muscles contract squeezing the veins forcing blood towards the heart
  • Elastic recoil
  • One way valves to prevent backflow

4. What is a property of blood entering the capillaries from the placenta and lungs?

  • Blood is flowing very fast
  • Blood is deoxygenated
  • Blood contains lots of glucose
  • Blood is oxygenated

5. What is the diameter of a capillary?

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


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