Transportation

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Across
  1. 2. pumping organ of circulation.
  2. 4. carried oxygen & carbon dioxide by.
  3. 7. immunity cells in blood.
  4. 8. number of chambers in the heart.
  5. 10. carried by RBC.
  6. 11. blood collected from lungs to distribute.
  7. 14. heart shape.
  8. 15. lower chambers called.
Down
  1. 1. location of the heart in the chest.
  2. 3. upper chambers called.
  3. 5. blood which collected from body to heart.
  4. 6. fluid connective tissue.
  5. 9. heart size.
  6. 11. oxygenated blood.
  7. 12. Deoxygenated blood.
  8. 13. transportation of food,O2,CO2&nitrogenous wastes.