Other questions in this quiz

2. Which four components are in the blood?

  • Plasma, platelets, red blood cells, white blood cells
  • Glucose, carbon dioxide, oxygen, plasma

3. What is the function of the valves?

  • To stop blood from backflowing
  • To let blood through
  • To control the concentration fo blood

4. The arteries...

  • carry blood all around the body
  • carry blood away from the heart to the organs
  • carry blood from the organs to the heart

5. What colour is blood plasma?

  • Purple
  • Yellow
  • Red

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