RESPIRATORY SYSTEM

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Across
  1. 4. The number of different Bronchi there are
  2. 6. Muscle that helps you breath
  3. 8. Tube with rings of cartilage
  4. 9. This is removed from air thanks to cilia and mucus
  5. 10. Your lungs look like this upside down
Down
  1. 1. This prevents food and water from entering the lungs
  2. 2. The singular version of the word Bronchi
  3. 3. A little indentation in the lungs for the heart
  4. 5. Scientific word for voice box
  5. 7. Helps to warm and humidify the air we breath in