College students are downloading very high-pitched ring tones for their cell phones because their middle-aged professors cannot hear these high pitches since by middle-age, most persons have _____ and cannot hear these high pitches.

Question

Quizplus · Accepted Answer

By middle-age, most people have experienced some natural deterioration of the hair cells in the cochlea, which are responsible for transmitting sound signals to the brain. This makes it difficult for middle-aged people to hear high-pitched sounds, such as those found in certain ring tones.

College Students Are Downloading Very High-Pitched Ring Tones for Their