blood crossword

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Across
  1. 1. which blood group is called the universal recipient? (2)
  2. 3. thin pale yellow watery liquid part of the blood (5)
  3. 5. how mnay main blood groups are there? (4)
  4. 6. fragments of cells that help blood to clot (9)
  5. 7. formed when haemoglobin combines with oxygen (18)
  6. 11. the iron-containing protein in red blood cells (12)
  7. 13. which blood cells main role is to protect from disease? (5)
  8. 14. the name for any disease-causing micro-organism (8)
Down
  1. 1. means to "clump together" (11)
  2. 2. red blood cells do not have one of these (7)
  3. 4. the name for the fatty deposits that cause blocked coronary arteries (8)
  4. 6. most white blood cells are this type, they ingest bacteria to destroy it (9)
  5. 8. the name for permanently high blood pressure (12)
  6. 9. medical name for red blood cells (12)
  7. 10. the name for the chest pain caused by blocked coronary arteries (6)
  8. 12. which blood group is called the univeral donor? (1)