BIOPSYCH!!!!!!!!!

4. protects axon from external influences that might effect the transmission of the nerve impulse down the axon
6. thing that travels down the axon of the presynaptic neuron to the axon terminal
11. communication within neurons is...
13. prepares body for action in threatening situations
14. the love neurotransmitter
15. neuron found only in brain / visual system / spinal cord
16. an example of an inhibitory neurotransmitter
17. something that surrounds axons and provides insulation
19. makes the firing of a neuron more likely
20. a subsystem of the ANS that has inhibitory neurotransmitters

1. neuron that carries messages between neurons
2. subsystem of the peripheral NS unconscious
3. they can be classed as excitatory or inhibitory
5. sends signals to an adjacent cell
7. an excitatory neurotransmitter
8. something caused by an imbalance between the excitatory and inhibitory NTs
9. communication between neurons is...
10. neuron that carries nerve impulses from the brain / spinal cord to the muscles
12. where the electrical signals pass along
18. spinal cord and brain