Across
- 2. signaling cells of the nervous system
- 6. a signaling molecule that relays messages between presynaptic and postsynaptic cells
- 8. this part of nervous system relay signals to smooth and cardiac muscle, and to glands
- 9. automatic response to stimulation
Down
- 1. branches that receive the chemical signals
- 3. this part of nervous system relay commands to skeletal muscles
- 4. is specialized for sending messages
- 5. supporting cells of nervous tissue
- 7. region where an axon terminal sends chemical signals to a neuron