Cardiac: external anatomy and layers

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Across
  1. 3. provide oxygen to the heart itself
  2. 7. the blunt point of the heart
  3. 8. receives deoxygenated blood from the right atrium
  4. 9. returns blood from the upper body to the heart
  5. 12. returns blood from the lower body to the heart
Down
  1. 1. carries deoxygenated blood to the lungs to pick up oxygen
  2. 2. receives oxygenated blood from left atrium
  3. 4. the heart muscle
  4. 5. receives deoxygenated blood from body tissues
  5. 6. smooth inner layer of the heart
  6. 7. largest artery; carries oxygenated blood to body tissues
  7. 10. also known as the visceral pericardium
  8. 11. receives oxygenated blood from lungs