The Human Circulatory System

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Across
  1. 4. Two small upper chambers of the heart
  2. 6. Its function is to carry blood from organs to the heart
  3. 8. function in exchange of gases
  4. 9. is known as the human circulatory system
  5. 11. allow the blood flow in one direction
Down
  1. 1. When the heart does not pump the blood efficiently and enough to meet the requirements of the body
  2. 2. It is a unique vascular connection that exists between the liver and the digestive tract
  3. 3. Muscles that make the heart
  4. 4. acute chest pain occurs when oxygen is not enough in the heart muscles
  5. 5. High blood pressure
  6. 7. Two large lower chambers of the heart
  7. 10. These help in carrying blood away from the heart