Across
- 6. - the movement of blood through the heart in one heartbeat
- 9. - Upper chamber of the heart that receive blood
- 11. - At rest, the average heart rate is about ______ beats per minue
- 12. - the number of times the heart contracts or beats per minute
- 14. - blood vessels that carry deoxygenated blood to the heart
- 15. - is a relaxation of the heart muscle
- 17. - is a contraction of the heart muscle
- 18. - refers to oxygen rich blood
Down
- 1. - This allows blood to travel in one direction (specifically between the left atrium and ventricle)
- 2. - Another name for high blood pressure
- 3. - Lower chamber of the heart that pump blood
- 4. - thick-walled blood vessels that carry blood away from the heart
- 5. - the adult heart is about the size of a large ________
- 6. - tiny blood vessels that are the site for the exchange of gases
- 7. - the two _________ arteries supply oxygen and nutrients to the heart
- 8. - Main artery of the heart that carries oxygenated blood away from the heart to the rest of your body
- 10. - is one contraction and relation of the heart muscle
- 13. - refers to oxygen poor blood
- 16. - Separates the heart into left and right hand sides