Biology, 19.09.2019 05:30, Longjeremiahs5797

By which pathway does oxygen flow into the body?
a)trachea, bronchioles, bronchial tubes, alveoli
b)trachea, bronchial tubes, bronchioles, alveoli
c)trachea, alveoli, bronchioles, bronchial tubes
d)trachea, alveoli, bronchial tubes, bronchioles

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By which pathway does oxygen flow into the body?
a)trachea, bronchioles, bronchial tubes, alv...