Question

List (in order) the 7 respiratory structures an oxygen molecule passes through as it travels from the atmosphere to the bloodstream.

Answer 1

Answer:

Air first enters the body through the mouth or nose, quickly moves to the pharynx (throat), passes through the larynx (voice box), enters the trachea, which branches into a left and right bronchus within the lungs and further divides into smaller and smaller branches called bronchioles.

Explanation:

I hope this helps :)

Sorry im late, wish i could have gotten to it sooner :)