Nasopharynx

A) The floor of the nasal cavity
B) Superior portion of pharynx
C) A soft process that extends inferiorly from the posterior edge of the soft palate
D) The opening of the nasal cavity into the pharynx
E) External openings of the nasal cavity

Nasopharynx

The upper part of the throat located behind the nose, which connects the nasal cavity to the mouth and serves as an airway in the respiratory system.

Soft Palate

The flexible part at the back of the roof of the mouth, distinguishing the back of the oral cavity from the nasopharynx.

Pharynx

A muscular tube that connects the mouth and nasal passages to the esophagus and larynx, serving both the respiratory and digestive systems.