Human Biology Crossword

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Across
  1. 4. has 3 holes and part of heart
  2. 6. dividing wall in the heart
  3. 9. what colour people think blood is and is a cell
  4. 10. In the blood
  5. 12. only exception for num1s rules
  6. 13. receiving chamber for blood in the heart
  7. 14. makes blood clots and stops bleeding
Down
  1. 1. when stuff spreads out
  2. 2. light blood cell
  3. 3. diffuses blood into muscles and organs
  4. 4. Away form heart
  5. 5. Towards heart
  6. 7. lack of oxygen
  7. 8. you can donate this and is a part of blood
  8. 11. returns deoxygenated blood from the body to the heart