Circulatory System

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Across
  1. 2. mainly contains water also nutrients, waste product oxygen and carbon dioxide
  2. 6. blood poor in O2
  3. 7. the average adult has approximately 5litres
  4. 8. blood pumped from the heart to the lungs and back again
  5. 9. contains haemoglobin
  6. 10. carry blood from the heart to the rest of the body
  7. 11. the organ which pumps blood
  8. 12. fight against harmful bacteria entering the body
  9. 13. carry blood back to the heart
Down
  1. 1. the amount of times heart beat per minute
  2. 3. blood rich in O2
  3. 4. blood pumped from the heart around the body and back to the heart
  4. 5. very thin blood vessels which form a vast net-work through the body tissue
  5. 7. the tube to move blood
  6. 8. responsible for the clotting of blood