Circulatory system

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Across
  1. 2. These tiny blood vessels allow for the exchange of nutrients and oxygen with body cells.
  2. 4. The circulation of blood between the heart and the lungs.
  3. 5. Blood vessels that carry deoxygenated blood back to the heart.
  4. 7. Blood cells that carry oxygen and carbon dioxide throughout our body (...blood cells)
  5. 8. Blood cells that protect the body from infection (...blood cells)
  6. 11. The type of blood that carries carbon dioxide from the body to the lungs.
  7. 13. Blood vessels that carry oxygenated blood away from the heart.
Down
  1. 1. The lower chambers of the heart.
  2. 3. The type of blood that carries oxygen from the lungs to the rest of the body.
  3. 4. The substance in blood that stop bleeding and help to heal wounds.
  4. 6. The organ responsible for pumping blood throughout the body.
  5. 9. The body's largest artery that carries oxygenated blood away from the heart.
  6. 10. The circulation of blood between the heart and the rest of the body.
  7. 12. The upper chambers of the heart.