Cardiovascular Systems

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Across
  1. 1. The largest artery in the body; it conducts freshly oxygenated blood from the heart to the tissues.
  2. 3. Medium sized blood vessels; carries blood to the heart
  3. 5. "Liquidy" part of the blood
  4. 8. main organ of the cardiovascular system
  5. 9. The amount of blood the heart pumps through the circulatory system in one minute.
  6. 10. Resistance to disease
  7. 11. Smallest blood vessels; carries blood to the extremities
  8. 12. Cells that carry oxygen-
  9. 13. The valve that regulates blood flow from the heart into the aorta.
  10. 15. Blood cells responsible for clotting
Down
  1. 1. An upper chamber of the heart that receives and holds blood that is about to enter the ventricle.
  2. 2. Specialized protein that carries oxygen on red blood cells
  3. 4. A lower chamber of the heart that receives blood from an atrium and pumps it to the arteries.
  4. 6. Largest blood vessels; carries blood away from the heart
  5. 7. Cells that fight disease
  6. 13. Air sacs in the lungs where oxygen and carbon dioxide are exchanged.
  7. 14. A vessel that carries oxygen-rich blood to the body.