The Circulatory System

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Across
  1. 2. _____________circulation: the flow of blood through the heart to the lungs and back to the heart
  2. 6. Blood __________: the force of blood on the walls of blood vessels
  3. 8. Tiny blood vessels that connect the arteries and veins and allow nutrients to diffuse across them
  4. 10. Blood vessels that carry blood away from the heart
  5. 12. Two lower chambers of the heart
  6. 13. ___________circulation: blood flow that goes to the heart to supply it with nutrients and oxygen and removes waste
Down
  1. 1. The stable state of an organism and of its internal environment.
  2. 3. Two upper chambers of the heart
  3. 4. __________muscle: muscle found in the heart
  4. 5. ____________blood pressure: the least amount of pressure on the walls of the arteries
  5. 7. ___________system: the system that circulates blood through the body, consisting of the heart, the blood and blood vessels.
  6. 9. ___________circulation: the flow of oxygen rich blood to organs and body tissues then returning oxygen poor blood back to the heart and lungs
  7. 11. Blood vessels that carry blood toward the heart