Heart Crossword Puzzle

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Across
  1. 2. What is responsible for the pumping motion in the heart
  2. 5. Carries oxygen poor blood to the right atrium
  3. 8. Receives the blood, and sends it to the ventricle to be pumped out of the heart
  4. 10. Generates an electrical signal that causes the upper chambers of the heart to contract
Down
  1. 1. Prevents blood from moving back to where it came from
  2. 3. Transports oxygen rich blood from the heart to the rest of the body
  3. 4. At the end of the arteries, it delivers blood to the organ and then returns that to be sent back to the heart, through veins
  4. 5. Carries blood back to the heart
  5. 6. Carries blood away from the heart
  6. 7. Receives blood from the atrium, and pumps that out to the rest of the body
  7. 9. Prevents used blood from mixing with oxygen rich blood