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1. I am the gas that is given off during exhalation
I X B E A D O O D R N I C
2. I go through the air sacs and into the blood.
E O G Y N X
3. I am a long tube connecting your mouth to your lungs.
A T R E A C H
4. I serve as a passageway for both food and air.
H Y N X A R P
5. I am made of body parts that help you breathe in oxygen and breathe out carbon dioxide.
Y R I E R S M S Y P T E A O R S T