Heart Crossword Puzzle

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Across
  1. 1. Good cholesterol (abbreviation)
  2. 5. The thumping, beating sound the heart makes is caused by the _________ clapping open and closed.
  3. 7. A muscular organ that pumps blood.
  4. 8. Blood is always what color?
  5. 11. The system of blood vessels and the heart. This system circulates blood to every cell in the body.
  6. 13. A blood vessel that carries blood from the heart to the body
  7. 14. The red blood cells drop off carbon dioxide and pick up oxygen in this organ.
Down
  1. 2. Bad cholesterol (abbreviation)
  2. 3. The two lower chambers of the heart are called ________?
  3. 4. Heart disease accounts for ____ out of every 4 deaths.
  4. 6. The two upper chambers of the heart are called _______?
  5. 9. The red blood cells carry this gas to every cell in the body.
  6. 10. How many chambers does the heart have?
  7. 12. A type of blood vessel that carries blood (unoxygenated) back to the heart.