Across
- 2. muscles that produce sound when air passes over them
- 4. to move or send something from one place to another
- 7. a way of communicating with dots and dashes using a telegraph
- 8. one of a pair of organs that allows animals to breathe
Down
- 1. a tool for communicating by sending electrical signals by wire or radio
- 2. the loudness or intensity of a sound
- 3. how high or low a sound is
- 4. windpipe
- 5. a series of vibrations that can be heard
- 6. voice box