Across
- 2. each of the two lower chambers of the heart that pumps blood out of the heart
- 5. a vein carrying oxygenated blood from the lungs to the left atrium of the heart
- 9. an artery that travels to the lungs
- 11. blood carries this to your body's cells
Down
- 1. a group of cells located in the right atrium that sends out signals that make the heart muscle contract and that regulates heart rate.
- 3. smallest blood vessel found between arteries and veins
- 4. brings oxygen poor blood from the lower part of the body to the right atrium
- 6. blood vessels that travel to the heart
- 7. the wall of tissue that separates the right side of the heart from the left side of the heart
- 8. - the largest artery in the body
- 10. blood vessels that travel away from the heart