Other questions in this quiz

2. what colour is oxygenated blood

  • red
  • HOLO
  • green
  • blue

3. What is it called when blood goes through the heart twice

  • death
  • once circulation
  • double circulation
  • dinner time

4. what does the heart act as

  • a stomach
  • a pump
  • a pizza machine
  • a blood storer

5. what direction does blood flow in an artery

  • downwards
  • away from the heart
  • upwards
  • into space

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