The Circulatory & Respiratory Systems

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Across
  1. 1. A blood vessel that returns blood to the heart.
  2. 4. Small air sac in the lungs.
  3. 5. The voice box.
  4. 6. Too much liquid in the alveoli.
  5. 8. Plague built inside the arteries.
  6. 10. A brain attack.
  7. 11. Recycle red blood cells.
  8. 13. A cancer in white blood cells in the lymph nodes.
  9. 14. Enters the heart.
  10. 15. Produces t-cells.
  11. 16. A blood vessel that sends the blood away from the heart.
Down
  1. 2. A disease causes by worm, making people's leg swallen.
  2. 3. A body system that circulate the blood.
  3. 5. A body system that collects leaked fluids.
  4. 7. Exits the heart.
  5. 9. A bridge between artery and vein.
  6. 12. A muscle below the lungs.