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The pathway of the oxygen was exercised
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In inhalition the air passes into the nostril going to the pharynx and larynx and going down to the traecha and till air reach the bronchi tubes and go the broncholes that contain air sacks hav a alveoli .Broncholes and alveoli are in the lungs they receive fresh air called oxygen

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what grade at you now
im sorry
i dont realy mean it
grade 9
ok im just in rookie level in junoir high in states
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