| A | B |
|---|
| amplitude | This is one half the distance between a wave's crest and its trough. |
| auditory canal | A tube in the ear |
| auditory nerves | turn the movements of hairs inside the ears into signals. |
| crest | The highest part of a wave |
| eardrum | A thin piece of skin across the auditory canal |
| frequency | The number of waves that move past one spot in a second. |
| larynx | VOICE BOX |
| PITCH | The quality of sound being high or low |
| TROUGH | The lowest part of a wave |
| LINGUINI | a type of pasta |
