Cardiovascular system overview3

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Across
  1. 4. The cardiovascular system ______ blood and oxygen around your body. hint: a fancy word for move.
  2. 6. The _______ separates the left side and right side of the heart.
  3. 7. Ventricles __________ to force blood into your lungs and the body. This process is called Systole.
  4. 10. The heart has __________ wiring that keeps it beating.
  5. 12. Ventricles _______ to receive blood from the upper Atria chambers. This process is called Diastole
  6. 13. _____ supply oxygen to the oxygen poor blood.
  7. 14. _____ works like gates on a fence. They control blood flow into and out of the heart chambers.
  8. 15. The ______ is a pump.
Down
  1. 1. The lower chambers of the heart.
  2. 2. Arteries and _____ are blood vessels.
  3. 3. The heart and blood ______ together are your cardiovascular system.
  4. 5. The upper chambers of the heart. Also called atria.
  5. 8. _________ arteries nourishes your heart with oxygen rich blood on the surface of your heart. hint: starts with "C", ends with "y".
  6. 9. The heart has _____ chambers.
  7. 11. The septum protects oxygen poor ______ from mixing with oxygen rich _______.