RESPIRATORY SYSTEM

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Across
  1. 4. What is the scientific name for your windpipe?
  2. 5. Where does oxygen go once it is in our blood?Diaphragm What is the sheet of muscles underneath your lungs called?
  3. 7. What are your lungs protected by?
  4. 8. The type of respiration that occurs without oxygen
  5. 9. Our muscles use oxygen to make ……….
Down
  1. 1. What are the air sacs in your lungs also known as?
  2. 2. The type of respiration that occurs with oxygen
  3. 3. What is the process known as when 2 gasses are swapped?
  4. 6. How many lobes are then in total in your lungs?