The Circulatory Unit

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