Biology, 02.02.2020 23:57 blackchina71
What path does a molecule of o2 take from the nose to the respiratory surface? pharynx β larynx β trachea β bronchus β bronchiole β alveolus larynx β pharynx β trachea β bronchus β bronchiole β alveolus pharynx β larynx β bronchus β bronchiole β alveolus β trachea pharynx β larynx β trachea β bronchiole β bronchus β alveolus?
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What path does a molecule of o2 take from the nose to the respiratory surface? pharynx β larynx β t...
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