Circulatory and Respiratory System

12345678910
Across
  1. 2. Occurs when blood supply to the brain is blocked.
  2. 7. Carries blood to the lungs.
  3. 8. At the end of bronchioles.
  4. 9. The first phase of it is called systole.
Down
  1. 1. Movement of blood through the tissue of the heart.
  2. 3. Passageway for air from the larynx to lungs.
  3. 4. The sound your heart makes when its valves close.
  4. 5. What carries blood away from the heart.
  5. 6. Tubes that blood returns to the heart in.
  6. 10. Dome shaped muscle