Respiratory and Circulatory System

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Across
  1. 2. What stops infection in the blood
  2. 4. What carries oxygen rich blood from the lungs to the heart
  3. 8. What carries oxygen-poor blood to the lungs from the heart
  4. 10. How blood is transported back to the heart
  5. 12. Tiny air sacs of the lungs which allow for rapid gaseous exchange
  6. 13. Tube that connects the larynx to the lungs
  7. 14. How the circulatory system removes ammonia
  8. 15. Particles from the digestive system placed into the blood to be brought to the cells
  9. 16. Clots/repairs damaged blood cells
  10. 17. large air passage in the lungs that diverge from the windpipe
  11. 19. What carries oxygen throughout the circulatory system
  12. 20. Opening between the vocal cords
Down
  1. 1. A flap of tissue at the back of the throat used for swallowing
  2. 3. Muscle under the lungs used to contract the lungs
  3. 5. How the circulatory system removes carbon dioxide
  4. 6. What does the right side of the heart pump?
  5. 7. Microscopic hair-like structure used to catch particulates
  6. 9. Bottom left chamber of the heart
  7. 11. How nutrients are transported to the cells
  8. 18. Carries nutrients and cell waste