The Circulatory System

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Across
  1. 5. The circulatory system works with the ______ system to transport digested food and water to all parts of the body.
  2. 6. The smallest blood vessel is called the ______.
  3. 8. The circulatory system works with the respiratory system to remove ___________ from the body.
  4. 10. The circulatory system also transports ______ materials away from various parts of the body to be removed.
Down
  1. 1. _______ blood cells in the blood protect the body from germs and infection.
  2. 2. The ______ pumps blood through the blood vessels to all parts of the body.
  3. 3. ______ in the blood help to clot wounds to prevent blood leaking.
  4. 4. ______ is a liquid mixture in the blood that transports blood cells, digested food and waste materials around the body.
  5. 7. The blood vessel transporting blood rich in carbon dioxide is called the _______.
  6. 9. The circulatory system works with the respiratory system to transport _____ to all parts of the body.
  7. 11. The blood vessel transporting blood rich in oxygen is called the _____.