Divide the highlighted term into its component word parts and enter these word parts, separated by a comma and space between them, in sequential order. When necessary, use a slash (/) to indicate a combining vowel. The oropharynx is visible when looking at the back of the mouth. Which is the correct breakdown of the term?
a) oro, pharynx
b) or/o, -pharynx
c) or/o, pharynx