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OpenStudy (anonymous):
Humans breathe through bronchi. What structure do insects have for breathing? A. gills B. tracheae C. skin D. lungs
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OpenStudy (anonymous):
@JackleBee @anonymous_user @iGreen
OpenStudy (anonymous_user):
tracheae
OpenStudy (anonymous):
yeahp it's tracheae
OpenStudy (anonymous):
http://www.saburchill.com/chapters/chap0021.html in case you want to know more ;p
OpenStudy (anonymous):
yes its tracheae
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OpenStudy (anonymous):
@thanks everyone ^.^
OpenStudy (anonymous):
ya
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