Science Quiz / Respiratory System Quiz

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The _______ is the tube-like part of the respiratory system.
What protects the lungs and chest cavity?
____________ and ______________ are the two gases constant in the respiratory system.
The ______ are the major organs in the respiratory system.
Red _____ cells carry oxygen to the lungs.
Oxygen is found in the _______ all around us.
The _____ acts like a filter in the respiratory system.
__________________ is the gas you breathe out.
Air comes in and out of the _____ and _____.
There are ___ lobes in the right lung.
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Created Mar 14, 2011ReportNominate

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