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Psychology 6.1

SS 111
1
2
3
4
5
6
7
8
Across
3
The chemicals released by neurons which determine the rate at which other neurons fire
5
The brain and the spinal cord
6
Nerves branching out from the spinal column
8
The long, thin cells of nerve tissue along which messages travel to & from the brain
Down
1
A column of nerves within the spine that transmits messages to and from the brain
2
The part of the peripheral nervous system that controls internal biological functions
4
The part of the peripheral nervous system that controls voluntary movement of skeletal muscles
7
The gap that exists between neurons (individual nerve cells)