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