Question

which of the following is the most correct pathway for oxygen through the human respiratory system?
nares, alveoli, larynx, trachea
oral pharynx, larynx, trachea, alveoli
oral pharynx, bronchioles, trachea, larynx
2 of these are correct

Explanation:

The respiratory system's pathway for oxygen starts with inhalation. Air can enter through the oral pharynx (or nasal cavity). Then it goes to the larynx (voice box), followed by the trachea (windpipe), and finally reaches the alveoli (site of gas exchange).

Answer:

oral pharynx, larynx, trachea, alveoli