1. The three mucosa-covered projections into the nasal cavity that greatly increase surface area of mucosa exposed to air are called ________.
d. paranasal sinuses
2. The posterior portion of the palate that is not supported by bone is called the ________.
a. soft palate
b. paranasal sinus
d. hard palate
3. From superior to inferior, the three regions of the pharynx are the ________.
a. oropharynx, nasopharynx, laryngopharynx
b. nasopharynx, oropharynx, laryngopharynx
c laryngopharynx, oropharynx, nasopharynx
d. nasopharynx, laryngopharynx, oropharynx
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