Other questions in this quiz

2. How much blood does the average person have?

  • 4.7 - 5.0 litres
  • 3.5 - 3.8 litres
  • 5.2 - 5.5 litres

3. The blood circulation system consists of...

  • the heart, blood and blood vessels
  • the blood, veins and arteries

4. Select an adaption of a red blood cell:

  • Biconcave
  • Small amount of hameoglobin
  • Small surface area

5. Is it called a 'double circulation system' because blood flows in two directions?

  • True
  • False

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