Researchers focusing on Internet use as a disorder are especially interested in Internet:

Creighton has been working in construction for many years. At first, his co-workers warn him to wear earplugs, but he refuses. Now he can no longer hear sounds at high pitches. Creighton's ____ have been damaged.?

a. ?hair cells b. ?conduction bones c. ?semicircular canals d. ?oval and round windows

The nucleus of the solitary tract is located in the a. medulla

b. pons. c. tectum. d. tegmentum.