Across
- 6. allows heart to create synchronized contractions of the ventricles
- 7. the amount of valves and chambers in the heart
- 9. How fast your heart beats in a minute
- 10. recently discovered, purely hereditary, (found in monkeys)
- 15. diffuses nutrients diretly to muscles
- 17. control of blood pressure
- 18. the system that pumps blood into the heart
- 19. made of organic and inorganic substances that is dissolved in water
- 20. allows blood to flow to the pulmonary arteries and to the lungs
Down
- 1. create blood clotting that helps fight invaders
- 2. allow the heart to synchronize its contractions as it pumps blood
- 3. controls where blood flows in the body
- 4. where blood ends up from the coronary pathway
- 5. transports nutrients to the whole body
- 8. indicates how dilated your blood vessels are
- 11. distributes oxygenated blood to the body
- 12. help protect against infections, and important aspect of body's defense systems
- 13. The pacemaker of the heart
- 14. only veins that carries oxygenated blood
- 16. de-oxygenated blood coming from the body back to heart through the _______