Our nose, mouth, trachula, lungs, and diaphragm are all factors in which respiration is taking place. (As shown in picture e) we have a clear passageway for air, from outside into our mouth, to our pharynx, trachea, bronchi, bronchioles, and the alveoli. We have to get the air into our alveoli, because that is where all gas exchange with oxygen and carbon dioxide will occur. All of the above are major components because they are all used when breathing.
When we breathe air passes through the larynx and the trachea. (As sh
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