cool

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Across
  1. 2. fight infection
  2. 4. makes your blood look red
  3. 6. A and B antigens are present on the surfaces of blood cells. There are no antibodies in the plasma.
  4. 7. not transporting oxygen effectively
  5. 8. the liquid in you blood
  6. 10. makes your blood clot
  7. 14. There are no antigens on the surfaces of blood cells. Both anti-B and anti-A antibodies are present in the plasma.
  8. 15. a membrane-bound structure that is present only in eukaryotic cells.
Down
  1. 1. a single membrane-bound organelle found in many animal cells.
  2. 3. B antigens are present on the surfaces of blood cells. Anti-A antibodies are present in the plasma.
  3. 5. blood cells start to divide uncontrollably without dying off at the end of their life cycle
  4. 9. 'powerhouses' of cells
  5. 11. disease An inherited trait causes red blood cells to take on a crescent shape.
  6. 12. non membrane-bound and important cytoplasmic organelles
  7. 13. A antigens are present on the surfaces of blood cells.