The Circulatory System

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Across
  1. 1. The finger and toe bones
  2. 3. The collar bone
  3. 6. The central organ in this system
  4. 7. The skull bone
  5. 8. The kneecap
  6. 10. A person who studies blood
  7. 11. Sends blood around the body
Down
  1. 2. The main atrium
  2. 4. Sends blood throughout the body
  3. 5. Brings blood back to the heart
  4. 8. Causes blood clots
  5. 9. Receives blood from the body