Respiratory System

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Across
  1. 3. Aka windpipe, part of the airway system. Airways carry oxygen to your lungs and carry carbon dioxide out of your lungs
  2. 6. Protects organs in the chest cavity, during inspiration they are elevated, and during expiration they are depressed
  3. 8. Process of taking air into the lungs
  4. 10. When you breathe, your lungs take it in and pass it into your blood, which carries it to your organs
Down
  1. 1. dioxide A waste product the body gets rid of by breathing it out
  2. 2. Two external openings of the nasal cavity that add air to the lungs
  3. 4. The action of breathing
  4. 5. Exhalation of breath
  5. 7. Carry out exchange of gases as we breathe and helps the circulatory system to pump oxygen-rich blood to all cells
  6. 9. It causes your airways to get inflamed and narrow, and it makes it hard to breathe