Other questions in this quiz

2. which 2 chambers pump blood out into arteries?

  • arteries
  • left and right ventricles
  • atria

3. what is blood made out of?

  • red blood
  • plasma, red blood cells, white blood cells, platelets
  • just red blood cells

4. what do red blood cells contain?

  • haemaglobin
  • a nucleus
  • tiny capillaries

5. what is and artificial pacemaker?

  • electrical device used to correct irregularities in the heart rate
  • a group of cells in right atrium which act as a pacemaker
  • take the blood to the organs from the organs


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