The Heart Structure and Function

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