Heart

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Across
  1. 4. Upper heart chambers
  2. 8. The valve between ventricles and arteries
  3. 9. Lower heart chambers
  4. 10. The valve that separates right atrium and ventricle
Down
  1. 1. A blood vessel that carries blood away from heart
  2. 2. The 4 hollow blood-containing rooms in the heart
  3. 3. Separates the right and left sides of the heart
  4. 5. The type of muscle found in the heart
  5. 6. A blood vessel that carries blood to the heart
  6. 7. The side of the heart that contains blood rich in oxygen