All about the heart and blood vessels!

The heart

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1. Why does the left ventricle have thicker walls than the right ventricle?

  • needs to contract powerfully to pump blood all the way round the body but right side only needs to get blood to the lungs, which are nearby
  • less well supported
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Other questions in this quiz

2. Which has a larger lumen - arteries or veins?

  • veins
  • arteries

3. If there is higher pressure behind a valve, is it forced open or shut?

  • open
  • shut

4. What does the pulmonary artery do?

  • pump oxygenated blood to the body
  • Pump deoxygenated blood to the lungs
  • bring deoxygenated blood back from the body
  • bring oxygenated blood back from the lungs

5. What does the vena cava do?

  • bring deoxygenated blood back from the body
  • pump oxygenated blood to the body
  • pump deoxygenated blood to the lungs
  • bring oxygenated blood back from the lungs

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