The Heart Structure and Function

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Across
  1. 2. What pumps blood from the heart to the body?
  2. 4. What takes blood away from the heart?
  3. 7. Blood leaves the right side of the heart via what?
  4. 8. What prevents backflow of blood?
  5. 9. What contracts to force blood into the bottom chamber?
Down
  1. 1. What is the cycle that makes the heart beat?
  2. 3. What side of the heart pumps deoxygenated blood?
  3. 5. Deoxygenated and returns to the right side of the heat via what?
  4. 6. What side of the heart pumps oxygenated blood?
  5. 10. how many parts is the heart divided into?