Other questions in this quiz

2. what colour is DEoxygenated blood

  • HOLO
  • purple
  • blue
  • red

3. how much does the heart weigh

  • 1000g
  • 300g
  • 400g
  • 5g

4. what colour is oxygenated blood

  • red
  • green
  • blue
  • HOLO

5. what direction does blood flow in an artery

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