Across
- 3. contains the heart
- 6. A clear, watery fluid secreted by the cells of a serous membrane.
- 9. lines internal surface of fibrous pericardium
- 10. tough, white fibrous connective tissue that is the outer layer of the pericardium
Down
- 1. visceral layer of serous pericardium
- 2. is the outer layer of the heart
- 4. muscular, middle layer of the heart
- 5. contraction of the heart
- 7. relaxation of the heart
- 8. inner lining of the heart