Circulatory System Crossword Puzzle

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Across
  1. 3. carries oxygen and nutrients away from heart
  2. 4. hardens arteries due to plague
  3. 7. blood from the heat to lungs
  4. 8. pumps blood through veins arteries etc
  5. 9. carries cd and waste towards the heart
Down
  1. 1. sends blood to lungs and heart
  2. 2. abnormal heart rate
  3. 5. 02 is delivered to cells
  4. 6. controls flow of blood through heart