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Cris Cris
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6 years ago
The main purpose of the trachea is to prevent foreign substances from entering the lungs.
 
 Indicate whether the statement is true or false
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BlackfireluvBlackfireluv
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6 years ago
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Cris Author
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6 years ago
Thanks
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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2 hours ago
Correct Slight Smile TY
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