Blood Words

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Across
  1. 1. alternating contraction and expansion of arteries due to the pumping of blood by the heart
  2. 2. describe the bright red blood that has been supplied with oxygen in blood
  3. 4. blood vessels that carry blood back to the heart
  4. 5. the red pigment in red blood cells that carries oxygen
  5. 6. describe blood from which some oxygen has been removed
  6. 7. minute tubes carrying blood to body cells
  7. 11. electronic device inserted in the chest to keep the heart beating regularly at the correct rate
  8. 12. contraction of the heart muscle occurring about 60-100 times per minute
Down
  1. 1. the yellowish, liquid part of blood that contains water, minerals, food and wastee from cells
  2. 3. red blood cells
  3. 4. flap like folds in lining of a blood vessel or other hallow organ that allow a liquid
  4. 8. not having enough iron
  5. 9. white blood cells
  6. 10. the hollow tubes with thick walls that carry blood from the heart to other parts