Across
- 2. the top of the heart is called the?
- 4. what part of the heart wall houses the conduction system?
- 6. 2/3 of the heart lie behind the left part of the ______ ?
- 7. what is the double-layered sac that surrounds the heart called?
- 8. what is the inner layer of the pericardium called?
- 9. what is the space between the two layers of the serous pericardium called?
- 13. what valve separates the left atrium and left ventricle?
- 14. what is the inner layer of the heart wall called?
- 15. what is abundent in the connective tissue of the heart?
- 16. the bottom of the heart is called the?
- 17. what is the outer layer of the heart wall called?
Down
- 1. what separates the electrical system of the atria and the ventricles?
- 3. what is the internal layer of the serous pericardium called?
- 5. what is the outer layer of the pericardium called?
- 10. what is the outer layer of the serous pericardium called?
- 11. what is the middle layer of the heart wall called?
- 12. what is the heart behind?