Across
- 3. Epithelial cells that lines the heart
- 6. Heart rate and stroke volume
- 8. Receives deoxygenated blood from the body
- 10. Cardiac muscle that performs work of heart
- 12. Pumps oxygenated blood to the body
- 13. Hearts ability to initiate own impulse
Down
- 1. Contraction/ejection phase in the cardiac cycle
- 2. Sac of tissue that surrounds the heart
- 4. Relaxation phase of the heart
- 5. Receives blood from left ventricle
- 7. valve Between right atrium and right ventricle
- 9. Transports blood from body to the heart
- 11. valve Between the left ventricle and the aorta