The Heart

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Across
  1. 2. The heart is made up of four spaces these spaces are called ____________
  2. 6. The left side is filled with ___________ blood.
  3. 9. The heart is the major organ of this system.
  4. 10. The lower chambers are called _________.
  5. 13. The heart is also __________ onto the left and the right side.
  6. 14. The ventricles are call the _________.
Down
  1. 1. Or Squeezes to push blood through its chambers and out to your body.
  2. 3. The blood vessels that are full of oxygen and nutrients are called___________
  3. 4. The right side of the heart is filled with ________________blood.
  4. 5. Contains nutrients and oxygen that are needed by all parts of your body.
  5. 7. These protects the circulatory system.
  6. 8. Your heart's job is to _______ your blood through your body.
  7. 11. The upper chambers are called _________.
  8. 12. These carry the blood back to the heart in blood vessels called ________________