Biology

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Across
  1. 2. The largest cell in the blood
  2. 3. How cell pass around minerals
  3. 6. The most common cell in the blood
  4. 9. Keep the blood in veins from flowing backwards
  5. 11. an element that cells need
  6. 12. The exertion of force upon a surface
  7. 13. The thickest blood vassal
  8. 14. Has thin walls that go into the heart
Down
  1. 1. an compound that is excreted
  2. 4. A system that circulate blood around the body
  3. 5. A red liquid in the body
  4. 7. One cell sized blood vassal
  5. 8. Pumps blood around the body
  6. 10. Where blood gets it's oxygen
  7. 13. A heart condition