Which of the following sequence correctly illustrates the passage of oxygen in the respiratory system?
Nose
Lungs
Wind pipe
Blood
Nose
Blood
Wind pipe — Lungs
Nose - Blood -Lungs — Wind pipe
Nose - Wind pipe
Lungs
Blood
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Answer:
On its way to the alveoli of the lungs air travels through the nasal cavity, pharynx, larynx, trachea, bronchi and bronchioles.
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