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

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:

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

there are men and women, some choose to be both or change their gender. often times those people go by "other". those who change their gender are known as "transgender"