Across
- 4. the smallest of the blood vessels
- 5. a phase of the heartbeat when it is in relaxation mode
- 9. it drains blood from the upper portion of the body
- 14. the middle, muscular part of the heart
- 15. the beat of the heart through artery walls
Down
- 1. this vein is the only vein in the body to carry oxygen-rich blood to the heart
- 2. the artery that supplies blood to the head and neck
- 3. the artery that is in your arm that is measured when your blood pressure is taken
- 6. an electrical apparatus implanted in the chest to stimulate the heart that is weak
- 7. the main artery that carries blood away from your heart to the rest of the body
- 8. the name of a pressure cuff that measures your blood pressure
- 10. the lower tip of the heart
- 11. (fill in the blank) an___________is a procedure that uses xray imaging to see your heart's vessels
- 12. a smooth layer of endothelial cells which lines the inside of the heart and valves
- 13. these prevent the backflow of blood and keep the blood moving in one direction