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