Circulatory system

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Across
  1. 4. Cava / the vessel that carries deoxygenated blood to the heart from the body
  2. 5. / the chemical element carried in the blood that binds to oxygen
  3. 6. / Vessels that contain valves.
  4. 8. artery / the vessel that carries oxygenated blood to the lungs from the heart.
  5. 10. / A small vessel that connects veins and arteries.
  6. 11. / the red pigment carried in blood
  7. 13. / the cells in the blood involved in blood clotting
Down
  1. 1. / Which side of the heart is thicker?
  2. 2. dioxide / the gas that is carried in the blood from respiring tissues
  3. 3. / A vessel that moves blood away from the heart.
  4. 7. / the gas that is carried in the blood to respiring tissues
  5. 8. / white blood cells
  6. 9. / The largest artery in the body.
  7. 12. / The top chambers of the heart that receive blood