Heart

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