Circulatory system

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Across
  1. 6. A protein, in the blood, that detects and kills foreign or different proteins. (KILL)
  2. 10. Blood vessels that carry blood AWAY from the heart.
  3. 11. System The body system that consists of the heart, blood vessels and blood.
  4. 14. Cava Ven that brings blood back to the heart from the body.
  5. 15. Two upper chambers of the heart (Collecting Chambers)
Down
  1. 1. An iron-containing protein that binds to oxygen and makes blood red.
  2. 2. Pressure The force that blood exerts on the artery walls.
  3. 3. pale yellow liquid. Carries blood cells.
  4. 4. fluid that circulates through the heart and blood vessels bringing nourishment and oxygen to all cells in the body.
  5. 5. Two lower chambers of the heart. (Pumping Chambers)
  6. 7. Pressure The force that blood exerts on the artery walls.
  7. 8. Waves of changing blood pressure, tells you how quickly your heart is beating.
  8. 9. Microscopic, one cell thick, vessels that connect veins and arteries. (Swiss Cheese)
  9. 12. Thick wall of tissue that separates the heart into right and left sides.
  10. 13. Largest blood vessel, artery, in the body.