Across
- 3. Insulating layer around nerves.
- 5. Carries electrical impulses for communication.
- 7. Sends electrical signals throughout the body.
- 8. Chemical messengers.
Down
- 1. Controls thoughts, memory’s, emotions and is located in the skull.
- 2. Small gap at the end of a neuron.
- 4. Signals are transported from the brain through it.
- 6. Receives information from neurons.