Heart Diseases

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Across
  1. 2. fatty substance
  2. 5. fat
  3. 6. four
  4. 7. ventricle
  5. 10. ventricle
  6. 11. double layer sac that surrounds the heart
  7. 13. valve two flap valve
  8. 15. thin inner layer of the heart
Down
  1. 1. the middle muscular layer of the heart
  2. 3. many
  3. 4. atrium
  4. 8. valve three flap valve
  5. 9. having thick walls and carry blood flow
  6. 12. two flap (cusp) valve
  7. 14. muscle