The Heart

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Across
  1. 1. Pressure – The force exerted by circulating blood on the walls of the arteries.
  2. 4. – The artery that carries deoxygenated blood from the heart to the lungs.
  3. 6. – Blood vessels that carry blood back to the heart.
  4. 8. – The smallest blood vessels where gas exchange occurs between blood and tissues.
  5. 9. – Upper chambers of the heart that receive blood.
  6. 11. – The protein in red blood cells that binds to oxygen and carries it throughout the body.
  7. 13. – Blood vessels that carry blood away from the heart.
Down
  1. 2. – The gas that is transported by red blood cells to tissues and organs.
  2. 3. – The arteries that supply oxygenated blood to the heart muscle itself.
  3. 5. – The wall of tissue that separates the right and left sides of the heart.
  4. 6. – Structures in veins and the heart that prevent the backflow of blood.
  5. 7. – Lower chambers of the heart responsible for pumping blood out of the heart.
  6. 10. – The largest artery in the body, transporting oxygenated blood from the heart to the rest of the body.
  7. 12. Cava – The largest vein, returning deoxygenated blood to the heart from the body.