Across
- 3. the nervous system that slows down heart rate
- 6. the type of blood pressure when the heart is relaxing
- 8. the right side of the heart contains this type of blood
- 9. the blood vessel that is referred to as the exchange vessel
- 10. bicuspid and tricuspid valves
- 12. a heart rhythm of 100 bpm
- 14. the pacemaker of the heart (2 words)
- 15. largest vein in the body where blood enters (two words)
- 17. most our our carbon dioxide binds to this
- 18. thick, elastic, muscular blood vessel
- 19. most of our oxygen (95%) is found here
- 20. the average amount of liters of blood in our body
Down
- 1. a heart rhythm of 50 bpm
- 2. the fibers found in the heart that help the ventricles contract
- 3. most of our blood is made up of this (55%)
- 4. largest artery in the body that takes blood into body
- 5. the name of the process where CO2 is eliminated
- 7. normal rhythm of the heart
- 11. circulation of the heart to lungs and back to heart
- 13. air enters through the
- 14. the nervous system that speeds up heart rate
- 16. blood cell in charge of fighting infections
- 19. blood pressure of 145/91