The three sections of the pharynx are the nasal, oral, and laryngeal.
The correct option is a.
The pharynx is a muscular tube that run from behind the nose to down to the neck.
It is divided into three sections:
Pharynx is a part of respiratory system.
It helps to carry air, food, and fluid down in the body from nose and mouth.
Thus, the correct option is a, nasal, oral, and laryngeal.
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