Circulatory System

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Across
  1. 2. a protein in your red blood cells
  2. 4. oxygen has been removed
  3. 7. tubes acting as roads for the blood to travel to places
  4. 8. blood vessels that deliver oxygen-rich blood to the heart
  5. 9. prevent the backward flow of blood
  6. 10. the tiniest veins in the body that have a unique structure throughout the bodily tissues
  7. 11. the main artery that carries blood away from your heart to the rest of your body
  8. 12. fluid that transports oxygen and nutrients around the body
Down
  1. 1. the upper chamber of the heart
  2. 3. something that is full with oxygen
  3. 5. an organ that acts as a pump to move blood around the body
  4. 6. its a system delivers oxygen and nutrients to cells and takes away wastes
  5. 7. one of two large chambers toward the bottom of the heart