All about the heart and blood vessels!

The heart

HideShow resource information

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
1 of 19

Other questions in this quiz

2. What do the cords in the heart do?

  • attach the atrioventricular valves to the ventricles to stop them being forced up into the atria when the ventricles contract
  • attach the semilunar valves to the ventricles to stop them being forced up into the aorta
  • keep the atria in shape
  • keep the ventricles in shape

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

  • veins
  • arteries

4. What does the vena cava do?

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

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

  • open
  • shut

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Human, animal and plant physiology resources »