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Guilia Guilia
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8 years ago
Air entering the body through the nose travels first through the ________ and then through the ________ before entering the lungs.
A) alveoli; upper respiratory tract
B) upper respiratory tract; lower respiratory tract
C) upper respiratory tract; aorta
D) lower respiratory tract; pulmonary artery
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Get Fit, Stay Well! Brief Edition

Get Fit, Stay Well! Brief Edition


Edition: 3rd
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tamrovtamrov
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8 years ago
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Guilia Author
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#2
8 years ago
This was hard for me, I'm happy I came across this community.
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#3
8 years ago
Cool! Thanks for feedback. Bye for now!
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