Across
- 2. The sense of hearing
- 3. Related to the pitch of a sound; changes into high or low
- 4. The bending of hairs leads to a(n)
- 8. Related to the loudness of a sound; changes intensity
- 9. This theory says that we hear different pitches becuase sound waves trigger activity at different places along the cochlea.
Down
- 1. Another term for color deficiency
- 5. This theory explains that we have two color- opponent cells.
- 6. This theory states that we have three different types of receptors.
- 7. Changes over time in the pressure of an elastic medium