Respiratory System Review

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Across
  1. 3. a small tube with tight cords that produce sound
  2. 5. the substance that moves from the alveoli to the blood during cellular respiration
  3. 7. a pair of cartilage covered tubes that allow O2 and CO2 to enter and exit the lungs
  4. 8. how many school weeks we get off for winter break!
  5. 10. a passage that leads from the mouth and nose to the esophagus and the larynx
  6. 12. cells in the trachea have this to sweep up mucus in the pharynx so we can cough it out
  7. 13. a cartilage covered tube that allows O2 and CO2 to enter and exit the respiratory system
  8. 15. large organ where gas exchange happens in the body
Down
  1. 1. what score you earn on your test if you cheat (talk, copy, etc.)
  2. 2. small pods where O2 and CO2 comes in and out of the blood
  3. 4. two words that are the entry and exit of the respiratory system
  4. 6. small tubes that gas uses to travel to and from the alveoli
  5. 9. two words that are the waste product of respiration
  6. 11. large muscle that moves up and down to allow lungs to have room for breathing
  7. 14. the reason our trachea feels bumpy- it is covered with this to keep its structure and keep it safe