Across
- 4. the body has five ______ of blood
- 5. the heart has ______ chambers
- 6. The process of breaking up a thrombus (blood clot) that is blocking blood flow
- 7. cavity between the visceral and the parietal pericardial layers
- 8. carry blood back to the heart
- 9. cava largest vein in the body
- 11. vein venule
- 15. largest artery in the body
- 16. small artery
Down
- 1. innermost layer of epithelial cells
- 2. contraction phase of the heartbeat
- 3. smallest vessels
- 10. An x-ray or computer image (CT scan or MRI) of the blood vessels and blood flow in the body
- 11. chambers of the heart are separated by _______
- 12. carry blood away from the heart
- 13. beat of the heart as felt through walls of the arteries
- 14. relaxation phase of the heartbeat